Run environment check
6 dimensions · leaks / fingerprint / consistency

ASN lookup result for AS3257 GTT Communications Inc. — network size, BGP routing and registration

USAS3257GTT Communications Inc.ISP
WHOIS Topology

United States · RIPE NCCgtt.net

AnycastBusiness linesCritical infrastructureRPKI filteringTor relays

IPv4 addresses

8,548,608

1,881 announced prefixes

IPv6 addresses

8.16 × 10³⁰

81 announced prefixes

BGP neighbours

…

CAIDA rank

#2

Customer cone 43,694 ASNs

Estimated users

98.5K

APNIC Labs estimate

RPKI

48% valid

129 invalid · 892 not covered

Average purity

75

2,252 sampled IPs

IXPs / facilities

2 / 275

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
67.100.0.0/14Not found—USUnited States262,144
68.164.0.0/14Not found—USUnited States262,144
87.84.0.0/14Not found—RUMoscow262,144
217.204.0.0/14Not foundGBUK-EASYNET-20010330RIPEDEFrankfurt am MainCross-border262,144
64.204.0.0/15Not found—USUnited States131,072
64.248.0.0/15Not found—USUnited States131,072
65.84.0.0/15Not found—USUnited States131,072
66.92.0.0/15Not found—USUnited States131,072
66.166.0.0/15Not found—USUnited States131,072
72.244.0.0/15Not found—USUnited States131,072
74.0.0.0/15Not found—AEUnited Arab Emirates131,072
82.108.0.0/15Not foundGBUK-EASYNET-20031031RIPEGBUnited Kingdom131,072
87.82.0.0/15Not foundGBUK-EASYNET-20050509RIPESGSingaporeCross-border131,072
87.84.0.0/15Not foundGBUK-EASYNET-20050509RIPERUMoscowCross-border131,072
212.134.0.0/15Not foundGBUK-EASYNET-990127RIPEGBUnited Kingdom131,072
64.51.0.0/16Not found—USUnited States65,536
64.81.0.0/16Not found—USUnited States65,536
64.105.0.0/16Not found—USChicago65,536
64.144.0.0/16Not found—USSeattle65,536
65.86.0.0/16Not found—USStaten Island65,536

Only the first 500 prefixes are listed; address counts and geography use all prefixes.

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 2,115 / 33,393 （6%） · flagged 1,257

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

66.92.0.0/1589/512 with data · 52 flagged

64.204.0.0/1569/512 with data · 53 flagged

87.84.0.0/1462/1024 with data · 47 flagged

72.244.0.0/1561/512 with data · 24 flagged

86.53.0.0/1659/256 with data · 29 flagged

195.86.0.0/1657/256 with data · 21 flagged

212.134.0.0/1556/512 with data · 40 flagged

69.33.0.0/1652/256 with data · 24 flagged

70.39.128.0/1747/128 with data · 33 flagged

84.37.0.0/1645/256 with data · 28 flagged

87.82.0.0/1544/512 with data · 34 flagged

216.36.64.0/1840/64 with data · 20 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 14870–84 1,88150–69 2160–49 7

0.48%

Share of IPv4 reported or blocklisted

19,604

Listed IPs

2,252

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • US United States
  • GB United Kingdom
  • DE Germany
  • SG Singapore
  • FR France
  • HK Hong Kong
Scope
Global
In registered country
58.3%

Estimated by sampling IPv4 ranges against a geolocation database.

Datacenter Presence

Loading…

BGP upstreams and neighbours

AS3257Standalone page
Loading upstreams and neighbours…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-20
Registered address & allocation dateRIR registration data (RDAP)2026-09-26
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-21
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-21
IP reputationCleanIP lookups and neighbour sampling—

The page is taking longer to start. Some resources may not have loaded. Please try reloading.

Reload page

Multi-source cross-checks · In-house reputation data · Real data only

mimetic
mimetic
mimetic