HomeASN LookupAS3257Prefixes

AS3257 Announced Prefixes

2,012 prefixes originated in BGP by AS3257 GTT BACKBONE GTT Communications.

Prefixes 1-100

PrefixRPKIIRRLast Seen
2.26.180.0/24 ValidRIPE2026-10-10
2.26.184.0/24 ValidRIPE2026-10-10
2.26.220.0/23 ValidRIPE2026-10-10
2.26.240.0/22 ValidRIPE2026-10-10
2.26.244.0/22 ValidRIPE2026-10-10
2.27.172.0/24 ValidRIPE2026-10-10
2.27.196.0/22 Invalid-2026-10-10
2.27.218.0/23 ValidRIPE2026-10-10
2.27.220.0/23 ValidRIPE2026-10-10
2.27.222.0/23 ValidRIPE2026-10-10
2.27.232.0/24 ValidRIPE2026-10-10
2.27.235.0/24 ValidRIPE2026-10-10
2.27.238.0/24 ValidRIPE2026-10-10
2.27.247.0/24 ValidRIPE2026-10-10
2.56.236.0/22No ROARIPE2026-10-10
2.58.75.0/24No ROARIPE2026-10-10
5.83.96.0/21No ROARIPE2026-10-10
5.178.16.0/21No ROARIPE2026-10-10
5.180.4.0/22 ValidRIPE2026-10-10
5.252.77.0/24 ValidOther IRR, RIPE2026-10-10
5.253.202.0/24 ValidOther IRR, RIPE2026-10-10
8.19.112.0/24No ROAOther IRR2026-10-10
8.19.203.0/24No ROAOther IRR2026-10-10
8.31.122.0/24No ROA-2026-10-10
8.35.16.0/21No ROA-2026-10-10
8.35.24.0/21No ROA-2026-10-10
8.35.30.0/24No ROA-2026-10-10
8.37.186.0/24No ROA-2026-10-10
13.143.152.0/21 ValidRIPE2026-10-10
13.143.177.0/24 ValidRIPE2026-10-10
16.5.72.0/21 ValidARIN, Other IRR2026-10-10
16.5.118.0/23 ValidARIN, Other IRR2026-10-10
16.5.168.0/23 ValidARIN, Other IRR2026-10-10
16.5.170.0/23 ValidARIN, Other IRR2026-10-10
23.26.5.0/24 ValidARIN2026-10-10
23.26.6.0/24 ValidARIN2026-10-10
23.26.7.0/24 ValidARIN2026-10-10
23.26.8.0/23 ValidARIN2026-10-10
23.26.11.0/24 ValidARIN2026-10-10
23.26.12.0/24 ValidARIN2026-10-10
23.26.13.0/24 ValidARIN2026-10-10
23.26.16.0/22 ValidARIN2026-10-10
23.26.21.0/24 ValidARIN2026-10-10
23.26.22.0/24 ValidARIN2026-10-10
23.26.198.0/24 ValidARIN2026-10-10
23.27.3.0/24 ValidARIN2026-10-10
23.27.8.0/24 ValidARIN, Other IRR2026-10-10
23.27.30.0/24 ValidARIN2026-10-10
23.27.114.0/24 ValidARIN2026-10-10
23.27.134.0/24 ValidARIN2026-10-10
23.27.216.0/24 ValidARIN, Other IRR2026-10-10
23.27.238.0/24 ValidARIN2026-10-10
23.184.144.0/24 ValidARIN2026-10-10
23.230.1.0/24 ValidOther IRR2026-10-10
23.230.64.0/24 ValidOther IRR2026-10-10
23.230.121.0/24 ValidOther IRR2026-10-10
23.230.186.0/24 ValidOther IRR2026-10-10
23.230.234.0/24 ValidOther IRR2026-10-10
23.230.235.0/24 ValidOther IRR2026-10-10
23.231.111.0/24 ValidARIN2026-10-10
23.231.115.0/24 ValidARIN2026-10-10
23.231.120.0/24 ValidARIN2026-10-10
23.234.128.0/22 ValidARIN2026-10-10
23.234.132.0/22 Valid-2026-10-10
23.234.136.0/22 ValidARIN2026-10-10
23.234.140.0/22 ValidARIN2026-10-10
23.234.156.0/22No ROAARIN2026-10-10
23.252.77.0/24 Invalid-2026-10-10
23.252.78.0/24 Invalid-2026-10-10
31.58.54.0/24 ValidOther IRR, RIPE2026-10-10
31.58.131.0/24 ValidOther IRR, RIPE2026-10-10
31.58.139.0/24 ValidOther IRR, RIPE2026-10-10
31.58.169.0/24 ValidOther IRR, RIPE2026-10-10
31.58.221.0/24 ValidOther IRR, RIPE2026-10-10
31.58.222.0/24 ValidOther IRR, RIPE2026-10-10
31.77.20.0/22 ValidRIPE2026-10-10
31.77.24.0/22 ValidRIPE2026-10-10
31.77.215.0/24 ValidRIPE2026-10-10
31.77.224.0/23 ValidRIPE2026-10-10
31.77.242.0/23 ValidRIPE2026-10-10
31.77.250.0/24 ValidRIPE2026-10-10
37.1.152.0/21No ROARIPE2026-10-10
37.252.30.0/24 ValidOther IRR2026-10-10
38.72.160.0/19No ROAOther IRR2026-10-10
38.188.202.0/24No ROAOther IRR2026-10-10
38.244.113.0/24 Invalid-2026-10-10
38.244.114.0/24 Invalid-2026-10-10
38.244.115.0/24 Invalid-2026-10-10
38.244.121.0/24 Invalid-2026-10-10
38.244.126.0/24 Invalid-2026-10-10
45.8.164.0/22No ROARIPE2026-10-10
45.38.206.0/24 ValidARIN, Other IRR2026-10-10
45.38.234.0/24 ValidARIN, Other IRR2026-10-10
45.39.66.0/24 ValidARIN, Other IRR2026-10-10
45.39.77.0/24 ValidARIN, Other IRR2026-10-10
45.39.95.0/24 ValidARIN, Other IRR2026-10-10
45.39.161.0/24 ValidARIN, Other IRR2026-10-10
45.39.174.0/24 ValidARIN, Other IRR2026-10-10
45.41.12.0/22 Valid-2026-10-10
45.41.60.0/22 Valid-2026-10-10