AS3257 GTT Communications Inc.
AS3257 (GTT-BACKBONE) is registered to GTT Communications Inc. in US, through RIPE. It originates 1,920 prefixes in the global routing table.
Who holds AS3257
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
WHOIS recordRIPE
% This is the RIPE Database query service. % The objects are in RPSL format. % % The RIPE Database is subject to Terms and Conditions. % See https://docs.db.ripe.net/terms-conditions.html % Note: this output has been filtered. % To receive output for a database update, use the "-B" flag. % Information related to 'AS3209 - AS3353' as-block: AS3209 - AS3353 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: 2018-11-22T15:27:19Z last-modified: 2018-11-22T15:27:19Z source: RIPE % Information related to 'AS3257' % Abuse contact for 'AS3257' is 'abuse@gtt.net' aut-num: AS3257 as-name: GTT-BACKBONE descr: GTT org: ORG-GCI2-RIPE import: from AS12 accept AS12 import: from AS14 accept AS14 import: from AS57 accept AS-NLG-TO-TRANSIT import: from AS62 accept AS-C1 import: from AS97 accept AS97 import: from AS249 accept AS249:AS-CUSTOMERS import: from AS260 accept AS-XCONNECT24 import: from AS286 accept AS286 import: from AS288 accept AS288 import: from AS376 accept AS376:AS-CLIENTS import: from AS517 accept AS517 import: from AS559 accept AS-SWITCH import: from AS572 accept AS572 import: from AS577 accept AS577:AS-CUSTOMERS import: from AS600 accept AS600 import: from AS766 accept AS766 import: from AS792 accept AS792 import: from AS812 accept AS-ROGERS:AS-CUSTOMERS import: from AS819 accept AS819 import: from AS835 accept AS-GOCODEIT-ALL import: from AS845 accept AS845 import: from AS852 accept AS-TELUS import: from AS855 accept AS855 import: from AS906 accept AS906:AS-ALL import: from AS931 accept AS931:AS-CORE import: from AS939 accept AS939 import: from AS963 accept AS-SET-XLCG-GLOBAL import: from AS979 accept AS-979 import: from AS983 accept AS-AKARI import: from AS998 accept AS998 import: from AS1002 accept AS-1002-CUSTOMERS import: from AS1017 accept AS1017 import: from AS1065 accept AS1065 import: from AS1100 accept AS-NUDAY import: from AS1103 accept AS-SURFNET import: from AS1213 accept AS-HEANET import: from AS1215 accept AS1215 import: from AS1216 accept AS1216 import: from AS1219 accept AS1219 import: from AS1258 accept AS1258 import: from AS1261 accept AS1261 import: from AS1311 accept AS1311 import: from AS1406 accept AS1406 import: from AS1426 accept AS1426 import: from AS1445 accept AS1445 import: from AS1449 accept AS1449 import: from AS1605 accept AS1605 import: from AS1610 accept AS1610 import: from AS1612 accept AS1612 import: from AS1678 accept AS1678 import: from AS1680 accept AS1680 import: from AS1764 accept AS-NEXTLAYER import: from AS1803 accept AS1803 import: from AS1820 accept AS-WTUC import: from AS1828 accept AS-UNITAS import: from AS1968 accept AS1968 import: from AS2002 accept AS2002 import: from AS2121 accept AS2121 import: from AS2147 accept AS2147 import: from AS2200 accept AS-RENATER import: from AS2288 accept AS2288 import: from AS2381 accept AS-WISCNET import: from AS2484 accept AS2484 import: from AS2495 accept AS2495 import: from AS2516 accept AS2516 import: from AS2571 accept AS2571 import: from AS2572 accept AS2572 import: from AS2609 accept AS2609 import: from AS2611 accept AS-BELNET import: from AS2642 accept AS2642 import: from AS2698 accept AS2698 import: from AS2721 accept AS2721 import: from AS2734 accept AS-CORESITE import: from AS3165 accept AS3165 import: from AS3170 accept AS-VELOXSERV import: fr
What AS3257 announces
Prefixes originated by AS3257 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
Show 1,738 more
RPKI valid RPKI invalid no ROA covers it
Who AS3257 is reached through
The AS just before AS3257 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS3257 publishes an ASPA naming this provider. 126 ASes name it as a provider in theirs. Check a path.
The 126 ASes that name AS3257 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | GTT-BACKBONE | RIPE-NCC-END-MNT, AS3257-ROUTE-MNT |
Route objects with origin AS3257: RIPE 1,046 · ARIN 715 · RADB 332 · NTTCOM 57 · LACNIC 7 · AFRINIC 5 · APNIC 5