A-Z STATISTICS Greek Research and Technology Network S.A

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% Information related to 'AS5377 - AS5535'

as-block: AS5377 - AS5535
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2010-05-11T11:44:34Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS5408'

% Abuse contact for 'AS5408' is 'abuse@grnet.gr'

aut-num: AS5408
as-name: GR-NET
descr: http://www.grnet.gr
org: ORG-GRaT1-RIPE
remarks:
remarks: ##################################################################
remarks: #ROUTING POLICY FOR GRNET AS5408) #
remarks: ##################################################################
remarks: General Info
remarks: ==============
remarks: GRNET donwstream customers are Greek Universities, Academic
remarks: and Research Institutes
remarks: GRNET has GEANT as its upstream; it also connects to GRIX
remarks: Internet Exchange
remarks:
remarks: PA Space Aggregation
remarks: =============
remarks: GRNET aggregates its PA space before announcing it to its
remarks: upstream(s) and exchanges. Should a custemer with PA space
remarks: wishes not to have its prefexes aggregated, a special community
remarks: should be used to tag this route (see below).
remarks:
remarks: Primary/Backup control
remarks: ========================
remarks: GRNET respects the MED received by its customers; thus, the
remarks: customers can indicate their primary/backup line and control
remarks: incoming traffic by setting MED appropriatelly. Also, the
remarks: customers may use the community 5408:110 to indicate their
remarks: backup connection (lower local pref), but this method is
remarks: recommended only for customers multihomed to another Greek ISP
remarks: that use their connection with GRNET as backup.
remarks:
remarks: Anycast
remarks: ========================
remarks: GRNET does not follow any explicit policy for anycast services.
remarks: Normal routing (and, thus, preference) applies to all anycast
remarks: routes
remarks:
remarks: BGP Communities used in GRNET:
remarks: ================================
remarks:
remarks: Informational Communities:
remarks: +---------------------------------------------------------------+
remarks: | These communities tag the source of the routes. They can ONLY |
remarks: | be appended by GRNET. Routes with this tag received by any |
remarks: | peer will be rejected! |
remarks: +---------------------------------------------------------------+
remarks: 5408:1001 Routes received from GEANT
remarks: 5408:1002 Routes received from GRIX
remarks: 5408:1003 Routes from GRNET (Customers & BackBone)
remarks:
remarks: Routing Manipulation (for GRNET customers only):
remarks: +---------------------------------------------------------------+
remarks: | This set of tools allow GRNET clients to manipulate their |
remarks: | routing: |
remarks:
remarks: LOCAL PREFERENCES IN GRNET:
remarks: =============================
remarks:
remarks: LocalPref 120: - GRNET Customers
remarks: - Special Customers (KROOT, SYZEYXIS, ...)
remarks: - Locally Generated GRNET Aggregates
remarks:
remarks: LocalPref 115: - GRIX routes (MED=0 Primary, MED=20 Secondary)
remarks:
remarks: LocalPref 110: - GRNET Customers, backup connection
remarks:
remarks: LocalPref 100: - GEANT (MED=0 Primary, MED=20 Secondary)
remarks:
remarks: ######################################################################
remarks:
remarks:
remarks:
remarks: =======================================================================
remarks: iBGP (AS5408)
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: Full-mesh iBGP peerings.
remarks: Import Policy: Accept ANY
remarks: Export Policy: Advertize (a) all routes (FIRT) or (b) GRNET & GRIX
remarks: routes only, depending on router capabilities.
remarks: ======================================================================
import: from prng-as5408-ibgp accept ANY;
export: to prng-as5408-ibgp-part announce community.contains(5408:1003) OR {0.0.0.0/0};
export: to prng-as5408-ibgp announce ANY;
remarks: =======================================================================
remarks: GEANT (AS20965)
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: GEANT is the Internet Upstream for GRNET
remarks: Import Policy: Accept all routes (apart from martians),
remarks: set MED appropratelly on primary & backup peering.
remarks: Export Policy: Announce all GRNET routes (tagged with 5408:1003)
remarks: that are not tagged with 5408:4005 (don't-announce-to-geant).
remarks: Aggregate PA space (except from the routes tagged with
remarks: 5408:2000 (do not aggregate) community.
remarks: =======================================================================
import: from AS20965 62.40.124.89
action community.append(5408:1001);
accept NOT community.contains(5408:1002)
AND NOT community.contains(5408:1003)
AND NOT fltr-martian;
REFINE {
from AS20965 action aspath.prepend(AS20965,AS20965,AS20965); accept community.contains(20965:7777);
from AS20965 accept ANY;
}
import: from AS20965 62.40.124.141
action community.append(5408:1001); med=20;
accept NOT community.contains(5408:1002)
AND NOT community.contains(5408:1003)
AND NOT fltr-martian;
REFINE {
from AS20965 action aspath.prepend(AS20965,AS20965,AS20965); accept community.contains(20965:7777);
from AS20965 accept ANY;
}
import: from AS20965 62.40.102.252
action community.append(5408:1001);
accept NOT community.contains(5408:1002)
AND NOT community.contains(5408:1003)
AND NOT fltr-martian;
import: from AS20965 62.40.102.254
action community.append(5408:1001); med=20;
accept NOT community.contains(5408:1002)
AND NOT community.contains(5408:1003)
AND NOT fltr-martian;
export: to AS20965 announce AS5408:RS-ROUTES;
REFINE {
to AS20965 62.40.124.89 action community.append(20965:7030); announce ANY;
to AS20965 62.40.124.141 action community.append(20965:7030); announce ANY;
to AS20965 62.40.102.252 announce ANY;
to AS20965 62.40.102.254 announce ANY;
}
export: to AS20965 announce community.contains(5408:1003)
AND NOT community.contains(5408:4005);
REFINE {
to AS20965 announce (AS5408:AS-TO-GEANT AND NOT AS5408:RS-ROUTES^0-32);
to AS20965 announce AS5408:RS-ROUTES^0-32 AND community.contains(5408:2000);
}
REFINE {
to AS20965 62.40.124.89 action community.append(20965:7030); announce ANY;
to AS20965 62.40.124.141 action community.append(20965:7030); announce ANY;
to AS20965 62.40.102.252 announce ANY;
to AS20965 62.40.102.254 announce ANY;
}
remarks: =======================================================================
remarks: GRIX Peers
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: These are the GRIX Peers of GRNET
remarks: Import Policy: Reject routes tagged with special communities
remarks: Accept all other routes that
remarks: (a) have the appropriate AS path and
remarks: (b) originate from the peer (or behind it)
remarks: For these, and according to the received communities:
remarks: (i) Set the appropriate local preference
remarks: Export Policy: Announce all GRNET routes (tagged with 5408:1003)
remarks: that are not tagged with 5408:4001 (don't-announce-to-grix).
remarks: Aggregate PA space (except from the routes tagged with
remarks: 5408:2000 (do not aggregate) community.
remarks: =======================================================================
import: from prng-as5408-grix-peers action pref=105;
community.append(5408:1002);
accept NOT community.contains(5408:1001)
AND NOT community.contains(5408:1003)
AND ;
#AND (PeerAS^0-27 OR AS5408:AS-GRIX:PeerAS^0-27 OR AS5408:AS-GRIX:PeerAS^0-27);
REFINE {
from AS-GRIX at 176.126.38.1 action med=0; accept ANY;
from AS-GRIX at 176.126.38.31 action med=20; accept ANY;
} #Primary-Backup
export: to prng-as5408-grix-peers announce AS5408:RS-ROUTES OR AS199399;
export: to prng-as5408-grix-peers announce community.contains(5408:1003)
AND NOT community.contains(5408:4001);
REFINE {
to prng-as5408-grix-peers announce (AS5408:AS-TO-AIX
AND NOT AS5408:RS-ROUTES^0-32);
to prng-as5408-grix-peers announce AS5408:RS-ROUTES^0-32
AND community.contains(5408:2000);
}
remarks: =======================================================================
remarks: GRIX RS
remarks: ----------------------------------------------------------------------
remarks: =======================================================================
import: from AS50745 action pref=105; med=30;
community.append(5408:1002);
accept
AND NOT community.contains(5408:1001)
AND NOT community.contains(5408:1003);
remarks: =======================================================================
remarks: GRIX ROUTER @ GRIX
remarks: ----------------------------------------------------------------------
remarks: =======================================================================
import: from AS199399
action pref=105;
community.append(5408:1002);
accept AS199399;
REFINE {
from AS-GRIX at 176.126.38.1 action med=0; accept ANY;
from AS-GRIX at 176.126.38.31 action med=20; accept ANY;
} #Primary-Backup
export: to AS199399 announce community.contains(5408:1003) OR {0.0.0.0/0};
remarks: =======================================================================
remarks: K-ROOT mirror @ GRIX
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: K-ROOT @ GRIX. Accept K-Root routes, announce within GRNET *only*
remarks: Announce default route.
remarks: =======================================================================
import: from AS25152
action pref=105;
community.append(5408:1002);
community.append(5408:4001);
community.append(5408:4005);
accept {193.0.14.0/24, 195.251.59.0/28}
AND NOT community.contains(5408:1001)
AND NOT community.contains(5408:1003);
REFINE {
from AS-GRIX at 176.126.38.1 action med=0; accept ANY;
from AS-GRIX at 176.126.38.31 action med=20; accept ANY;
} #Primary-Backup
export: to AS25152 announce {0.0.0.0/0};
remarks: =======================================================================
remarks: GRNET Clients
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: These are the normal GRNET clients (Universities, Research orgs, etc)
remarks: Import Policy: Reject routes tagged with special communities
remarks: Accept all other routes that
remarks: (a) have the appropriate AS path and
remarks: (b) originate from the client (or behind it)
remarks: For these, and according to the received communities:
remarks: (i) Set the appropriate local preference
remarks: Prefixes with no corresponding exact matching route on the
remarks: RIPE whois database are only accepted if tagged with NO_EXPORT
remarks: Local Preference (on backup links) can be lowered by
remarks: using the appropriate community (5408:110), but MED is
remarks: recommended for this purpose.
remarks: Export Policy:
remarks: (a) either all routes (FIRT)
remarks: (b) or a partial routing table, consiting
remarks: GRNET (5408:1003) and GRIX (5408:1002) routes
remarks: (c) or a partial routing table, consiting
remarks: GRNET (5408:1003) and GRIX (5408:1002) routes plus default route 0/0.
remarks: (d) or default route 0/0.
remarks: =======================================================================
import: from prng-as5408-grnet-customers
action community.append(5408:1003);
accept NOT community.contains(5408:1001)
AND NOT community.contains(5408:1002)
AND community.contains(NO_EXPORT)
AND (PeerAS^0-32 OR PeerAS:AS-TO-GRNET^0-32)
AND ;
REFINE {
from AS-ANY action pref=110; accept community.contains(5408:110);
from AS-ANY action pref=100; accept ANY;
}
import: from prng-as5408-grnet-customers
action community.append(5408:1003);
accept NOT community.contains(5408:1001)
AND NOT community.contains(5408:1002)
AND (PeerAS OR PeerAS:AS-TO-GRNET)
AND ;
REFINE {
from AS-ANY action aspath.prepend(AS5408,AS5408,AS5408,AS5408,AS5408);
accept community.contains(5408:2005);
from AS-ANY accept ANY;
}
REFINE {
from AS-ANY action pref=110; accept community.contains(5408:110);
from AS-ANY action pref=100; accept ANY;
}
export: to prng-as5408-grnet-firt announce NOT {0.0.0.0/0};
export: to prng-as5408-grnet-customers announce AS5408:RS-ROUTES
OR community.contains(5408:1002)
OR community.contains(5408:1003);
export: to prng-as5408-grnet-customers-droute announce {0.0.0.0/0}
OR AS5408:RS-ROUTES OR community.contains(5408:1002)
OR community.contains(5408:1003);
export: to prng-as5408-customers-firt announce ANY;
export: to prng-as5408-customers-greek-internet announce community.contains(5408:1003) OR community.contains(5408:1002);
export: to prng-as5408-customers-greek-internet-dr announce community.contains(5408:1003) OR community.contains(5408:1002) OR {0.0.0.0/0};
export: to prng-as5408-customers-grnet announce community.contains(5408:1003);
export: to prng-as5408-customers-grnet-dr announce community.contains(5408:1003) OR {0.0.0.0/0};
export: to prng-as5408-customers-only-dr announce {0.0.0.0/0};
remarks: =======================================================================
remarks: EU ACADEMIC INTERNET (GRNET + OTHER EU NRENS)
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION: announce GRNET and GEANT NREN (community 20965:155),
route within GRNET *only*.
remarks: =======================================================================
import: from prng-as5408-customers-eu-academic-internet
action community.append(5408:1003);
community.append(5408:2000);
community.append(5408:4001);
community.append(20965:0000);
community.append(20965:0011);
community.append(20965:0012);
community.append(20965:0013);
community.append(20965:7000);
accept NOT community.contains(5408:1001)
AND NOT community.contains(5408:1002)
AND community.contains(NO_EXPORT)
AND (PeerAS^0-32 OR PeerAS:AS-TO-GRNET^0-32)
AND ;
REFINE {
from AS-ANY action pref=110; accept community.contains(5408:110);
from AS-ANY action pref=100; accept ANY;
}
import: from prng-as5408-customers-eu-academic-internet
action community.append(5408:1003);
community.append(5408:2000);
community.append(5408:4001);
community.append(20965:0000);
community.append(20965:0011);
community.append(20965:0012);
community.append(20965:0013);
community.append(20965:7000);
accept NOT community.contains(5408:1001)
AND NOT community.contains(5408:1002)
AND (PeerAS OR PeerAS:AS-TO-GRNET)
AND ;
REFINE {
from AS-ANY action aspath.prepend(AS5408,AS5408,AS5408,AS5408,AS5408);
accept community.contains(5408:2005);
from AS-ANY accept ANY;
}
REFINE {
from AS-ANY action pref=110; accept community.contains(5408:110);
from AS-ANY action pref=100; accept ANY;
}
export: to prng-as5408-customers-eu-academic-internet
announce community.contains(5408:1003)
OR community.contains(20965:155);
remarks: =======================================================================
remarks: GRNET SERVICES
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: do not announce anything, accept AS65500
remarks: =======================================================================
import: from AS65500
action pref=100;
community.append(NO_EXPORT);
accept AS65500
export: to AS65500 announce NOT ANY;
remarks: =======================================================================
remarks: GRNET ECI-ECN
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: do not announce anything, accept AS65502
remarks: =======================================================================
import: from AS65502
action pref=100;
accept AS65502
export: to AS65502 announce NOT ANY;
remarks: =======================================================================
remarks: SYZEYXIS
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: announce only GRNET routes, route within GRNET *only*.
remarks: =======================================================================
import: from AS65052
action pref=100;
community.append(5408:1003);
community.append(5408:4001);
community.append(5408:4005);
accept (PeerAS OR PeerAS:AS-TO-GRNET)
AND
AND NOT community.contains(5408:1001)
AND NOT community.contains(5408:1002);
export: to AS65052 announce community.contains(5408:1003);
remarks: =======================================================================
remarks: AKAMAI
remarks: ----------------------------------------------------------------------
remarks: PEER DESCRIPTION:
remarks: AKAMAI. Accept no routes. Announce GRNET customers.
remarks: =======================================================================
import: from AS21357 accept NOT ANY;
export: to AS21357 announce AS5408:RS-ROUTES OR community.contains(5408:1003);
remarks: =======================================================================
import: from AS65535 accept NOT ANY;
export: to AS65535 announce AS5408:RS-ROUTES;
export: to AS65535 announce community.contains(5408:1003);
REFINE {
to AS65535 announce (AS5408:AS-GRNET-CUSTOMERS-PUBLIC-AS AND NOT AS5408:RS-ROUTES^0-32);
to AS65535 announce (AS5408:AS-GRNET-CUSTOMERS-PRIVATE-AS AND NOT AS5408:RS-ROUTES^0-32);
}
remarks:
remarks:
remarks: #######################################################################
remarks: #END OF ROUTING POLICY FOR GRNET #
remarks: #######################################################################
remarks:
admin-c: GN1931-RIPE
tech-c: GN1931-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: GRNET-NOC
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:13:25Z
source: RIPE

organisation: ORG-GRaT1-RIPE
org-name: Greek Research and Technology Network S.A
org-type: LIR
address: 7 Kifisias Av.
address: 11523
address: Athens
address: GREECE
phone: +302107474274
fax-no: +302107474490
admin-c: PT1566-RIPE
admin-c: GN1931-RIPE
admin-c: AP3196-RIPE
admin-c: AL3706-RIPE
admin-c: YM1289-RIPE
tech-c: GN1931-RIPE
abuse-c: GN1931-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: GRNET-NOC
mnt-by: RIPE-NCC-HM-MNT
mnt-by: GRNET-NOC
created: 2004-04-17T11:24:56Z
last-modified: 2017-10-30T14:40:07Z
source: RIPE # Filtered

role: GRNET NOC
org: ORG-GRaT1-RIPE
address: Greek Research and Technology Network (GRNET) S.A.
address: Messogeion 56
address: Athens 11527, GREECE
phone: +30 210 7474274
fax-no: +30 210 7474490
remarks: --------------------------------------
remarks: For complains about abuse, spam etc:
abuse-mailbox: abuse@grnet.gr
remarks: --------------------------------------
admin-c: PT1566-RIPE
tech-c: YM412-RIPE
tech-c: AP3196-RIPE
tech-c: AL3706-RIPE
mnt-by: GRNET-NOC
nic-hdl: GN1931-RIPE
created: 2007-06-12T14:21:14Z
last-modified: 2014-01-27T08:08:29Z
source: RIPE # Filtered

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