Whois

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% Information related to 'AS21453 - AS21503'

as-block:       AS21453 - AS21503
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:        2018-11-22T15:27:28Z
last-modified:  2018-11-22T15:27:28Z
source:         RIPE

% Information related to 'AS21497'

% Abuse contact for 'AS21497' is '[email protected]'

aut-num:        AS21497
as-name:        UMC-AS
remarks:
remarks:        ===== Uplinks =====
import:         from AS1273 accept ANY
import:         from AS1299 accept ANY
import:         from AS3257 accept ANY
export:         to AS1273 announce AS-UMC-CUSTOMERS
export:         to AS1299 announce AS-UMC-CUSTOMERS
export:         to AS3257 announce AS-UMC-CUSTOMERS
mp-import:      afi ipv6.unicast from AS1273 accept ANY
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-import:      afi ipv6.unicast from AS3257 accept ANY
mp-export:      afi ipv6.unicast to AS1273 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS1299 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS3257 announce AS-UMC-CUSTOMERS
remarks:
remarks:        ===== IXes =====
import:         from AS6695 accept AS-DECIX
import:         from AS6777 accept AS-AMS-IX-RS
import:         from AS15645 accept AS-UAIX
import:         from AS24115 accept AS-PLIX
import:         from AS31210 accept AS-DTEL-IX
import:         from AS50263 accept AS-1-IX-WAW
import:         from AS50952 accept AS-DATAIX
export:         to AS6695 announce AS-UMC-CUSTOMERS
export:         to AS6777 announce AS-UMC-CUSTOMERS
export:         to AS15645 announce AS-UMC-CUSTOMERS
export:         to AS24115 announce AS-UMC-CUSTOMERS
export:         to AS31210 announce AS-UMC-CUSTOMERS
export:         to AS50263 announce AS-UMC-CUSTOMERS
export:         to AS50952 announce AS-UMC-CUSTOMERS
mp-import:      afi ipv6.unicast from AS6695 accept AS-DECIX-V6
mp-import:      afi ipv6.unicast from AS6777 accept AS-AMS-IX-RS-V6
mp-import:      afi ipv6.unicast from AS15645 accept AS-UAIX-v6
mp-import:      afi ipv6.unicast from AS24115 accept AS-PLIX6
mp-import:      afi ipv6.unicast from AS31210 accept AS-DTEL-IX-V6
mp-import:      afi ipv6.unicast from AS50263 accept AS-1-IX-WAW-V6
mp-import:      afi ipv6.unicast from AS50952 accept AS-DATAIX
mp-export:      afi ipv6.unicast to AS6695 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS6777 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS15645 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS24115 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS31210 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS50263 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS50952 announce AS-UMC-CUSTOMERS
remarks:
remarks:        ===== Peerings =====
import:         from AS3326 accept AS3326:AS-EXT
import:         from AS6849 accept AS-UKRTELBT
import:         from AS15169 accept AS-GOOGLE
import:         from AS32934 accept AS-FACEBOOK
import:         from AS35320 accept AS-ETT
import:         from AS39928 accept AS-1PLUS1
import:         from AS54994 accept AS54994:AS-ALL
import:         from AS59492 accept AS-MIT27
import:         from AS60068 accept AS-CDN77
import:         from AS199524 accept AS-GCORE
export:         to AS3326 announce AS-UMC-CUSTOMERS
export:         to AS6849 announce AS-UMC-CUSTOMERS
export:         to AS15159 announce AS-UMC-CUSTOMERS
export:         to AS32934 announce AS-UMC-CUSTOMERS
export:         to AS35320 announce AS-UMC-CUSTOMERS
export:         to AS39928 announce AS-UMC-CUSTOMERS
export:         to AS54994 announce AS-UMC-CUSTOMERS
export:         to AS59492 announce AS-UMC-CUSTOMERS
export:         to AS60068 announce AS-UMC-CUSTOMERS
export:         to AS199524 announce AS-UMC-CUSTOMERS
mp-import:      afi ipv6.unicast from AS3326 accept AS3326:AS-EXT
mp-import:      afi ipv6.unicast from AS15169 accept AS-GOOGLE
mp-import:      afi ipv6.unicast from AS32934 accept AS-FACEBOOK
mp-import:      afi ipv6.unicast from AS35320 accept AS-ETT
mp-import:      afi ipv6.unicast from AS54994 accept AS54994:AS-ALL
mp-import:      afi ipv6.unicast from AS60068 accept AS-CDN77
mp-import:      afi ipv6.unicast from AS199524 accept AS-GCORE
mp-export:      afi ipv6.unicast to AS3326 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS15169 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS32934 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS35320 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS54994 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS60068 announce AS-UMC-CUSTOMERS
mp-export:      afi ipv6.unicast to AS199524 announce AS-UMC-CUSTOMERS
remarks:
remarks:        ---------------------------------------------------------------
remarks:        AS21497 filters out inbound prefixes more than /24 specific.
remarks:        Networks within AS21497:RS-INBOUND-FILTER are filtered from
remarks:        all BGP peers.
remarks:        ---------------------------------------------------------------
remarks:        AS21497 customers are warned that only prefixes specified
remarks:        exactly in the appropriate RIPE IRR aut-num: AS21497 import
remarks:        statement will be accepted.
remarks:        ---------------------------------------------------------------
remarks:        AS21497 provide customers with ability to influence routing
remarks:        decision by using the following community attributes for
remarks:        the bgp prefixes announced to AS21497.
remarks:
remarks:        21497:0 - accept and redistribute to uplinks
remarks:        21497:1 - accept and prepend once 21497
remarks:        21497:2 - accept and prepend 21497_21497
remarks:        21497:3 - accept and prepend 21497_21497_21497
remarks:        21497:9 - accept and do not redistribute to uplinks
remarks:
remarks:        21497:10 - accept by AS21497 and redistribute to peers
remarks:        21497:11 - accept by AS21497, prepend 21497 and redistribute
remarks:        to peers
remarks:        21497:12 - accept by AS21497, prepend 21497_21497 and
remarks:        redistribute to peers
remarks:        21497:13 - accept by AS21497, prepend 21497_2197_21497 and
remarks:        redistribute to peers
remarks:        21497:19 - accept by AS21497 and do not redistribute to peers
remarks:
remarks:        Attributes can be used simultaneously.
remarks:
remarks:        Prefixes imported without community attributes will be
remarks:        automaticaly tagged as 21497:0 and 21497:10 on AS21497 side.
remarks:        ---------------------------------------------------------------
admin-c:        UMC-RIPE
tech-c:         UMC-RIPE
org:            ORG-UMC1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UMC-MNT
created:        2002-01-02T16:26:51Z
last-modified:  2025-10-23T10:05:24Z
source:         RIPE

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Prefix

Peers