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Autonomous systems

AS3257 GTT-BACKBONE GTT

Unclassified network🇺🇸 United StatesAS3257
IPv4 prefixes
2,659
IPv4 addresses
4,080,640
IPv6 prefixes
67
Registered
2002-09-20
whois.ripe.net

At a glance

Network type
Unclassified network
Registry name
GTT-BACKBONE AS3257
registrant
AS3257-ROUTE-MNT
technical
AS3257 Net Admin abuse@gtt.net
registrant
GTT Communications Inc.
registrant
RIPE-NCC-END-MNT

WHOIS → · ASN lookup →

IPv4 prefixes

Page 1
CIDRFirst addressLast addressAddresses
2.26.180.0/242.26.180.02.26.180.255256
2.26.184.0/242.26.184.02.26.184.255256
2.26.220.0/232.26.220.02.26.221.255512
2.26.240.0/212.26.240.02.26.247.2552,048
2.27.172.0/242.27.172.02.27.172.255256
2.27.218.0/232.27.218.02.27.223.2551,536
2.27.232.0/242.27.232.02.27.232.255256
2.27.235.0/242.27.235.02.27.235.255256
2.27.238.0/242.27.238.02.27.238.255256
2.27.247.0/242.27.247.02.27.247.255256
5.83.96.0/215.83.96.05.83.103.2552,048
5.178.16.0/215.178.16.05.178.23.2552,048
5.180.4.0/225.180.4.05.180.7.2551,024
5.252.77.0/245.252.77.05.252.77.255256
5.253.202.0/245.253.202.05.253.202.255256
8.19.112.0/248.19.112.08.19.112.255256
8.19.203.0/248.19.203.08.19.203.255256
8.31.122.0/248.31.122.08.31.122.255256
8.35.16.0/218.35.16.08.35.30.2553,840
8.35.31.0/248.35.31.08.35.31.255256
8.37.186.0/248.37.186.08.37.186.255256
13.143.152.0/2113.143.152.013.143.159.2552,048
13.143.177.0/2413.143.177.013.143.177.255256
16.5.72.0/2116.5.72.016.5.79.2552,048
23.26.5.0/2423.26.5.023.26.9.2551,280
23.26.11.0/2423.26.11.023.26.13.255768
23.26.16.0/2223.26.16.023.26.19.2551,024
23.26.21.0/2423.26.21.023.26.22.255512
23.26.198.0/2423.26.198.023.26.198.255256
23.27.3.0/2423.27.3.023.27.3.255256
23.27.8.0/2423.27.8.023.27.8.255256
23.27.30.0/2423.27.30.023.27.30.255256
23.27.114.0/2423.27.114.023.27.114.255256
23.27.134.0/2423.27.134.023.27.134.255256
23.27.216.0/2423.27.216.023.27.216.255256
23.27.238.0/2423.27.238.023.27.238.255256
23.184.144.0/2423.184.144.023.184.144.255256
23.230.1.0/2423.230.1.023.230.1.255256
23.230.64.0/2423.230.64.023.230.64.255256
23.230.121.0/2423.230.121.023.230.121.255256
23.230.186.0/2423.230.186.023.230.186.255256
23.230.234.0/2323.230.234.023.230.235.255512
23.231.111.0/2423.231.111.023.231.111.255256
23.231.115.0/2423.231.115.023.231.115.255256
23.231.120.0/2423.231.120.023.231.120.255256
23.234.128.0/2023.234.128.023.234.143.2554,096
23.234.156.0/2223.234.156.023.234.159.2551,024
31.58.131.0/2431.58.131.031.58.131.255256
31.58.139.0/2431.58.139.031.58.139.255256
31.58.169.0/2431.58.169.031.58.169.255256
31.58.221.0/2431.58.221.031.58.222.255512
31.77.20.0/2231.77.20.031.77.27.2552,048
31.77.215.0/2431.77.215.031.77.215.255256
31.77.224.0/2331.77.224.031.77.225.255512
31.77.242.0/2331.77.242.031.77.243.255512
31.77.250.0/2431.77.250.031.77.250.255256
37.1.152.0/2137.1.152.037.1.159.2552,048
37.252.30.0/2437.252.30.037.252.30.255256
38.244.113.0/2438.244.113.038.244.115.255768
38.244.121.0/2438.244.121.038.244.121.255256
38.244.126.0/2438.244.126.038.244.126.255256
45.38.206.0/2445.38.206.045.38.206.255256
45.38.234.0/2445.38.234.045.38.234.255256
45.39.66.0/2445.39.66.045.39.66.255256
45.39.77.0/2445.39.77.045.39.77.255256
45.39.95.0/2445.39.95.045.39.95.255256
45.39.161.0/2445.39.161.045.39.161.255256
45.39.174.0/2445.39.174.045.39.174.255256
45.41.12.0/2245.41.12.045.41.15.2551,024
45.41.60.0/2245.41.60.045.41.63.2551,024
45.41.132.0/2245.41.132.045.41.139.2552,048
45.41.144.0/2245.41.144.045.41.147.2551,024
45.41.164.0/2245.41.164.045.41.167.2551,024
45.41.174.0/2345.41.174.045.41.175.255512
45.41.180.0/2345.41.180.045.41.181.255512
45.56.128.0/2245.56.128.045.56.131.2551,024
45.56.136.0/2345.56.136.045.56.137.255512
45.56.140.0/2245.56.140.045.56.143.2551,024
45.56.146.0/2445.56.146.045.56.146.255256
45.56.148.0/2245.56.148.045.56.161.2553,584
45.56.168.0/2245.56.168.045.56.171.2551,024
45.56.176.0/2245.56.176.045.56.180.2551,280
45.56.182.0/2345.56.182.045.56.183.255512
45.61.64.0/2245.61.64.045.61.67.2551,024
45.61.102.0/2345.61.102.045.61.103.255512
45.61.115.0/2445.61.115.045.61.115.255256
45.86.16.0/2245.86.16.045.86.19.2551,024
45.93.47.0/2445.93.47.045.93.47.255256
45.95.23.0/2445.95.23.045.95.23.255256
45.136.88.0/2445.136.88.045.136.88.255256
45.137.30.0/2445.137.30.045.137.30.255256
45.152.20.0/2345.152.20.045.152.21.255512
45.170.12.0/2445.170.12.045.170.12.255256
45.190.64.0/2245.190.64.045.190.67.2551,024
45.199.149.0/2445.199.149.045.199.149.255256
45.238.156.0/2245.238.156.045.238.159.2551,024
46.19.50.0/2346.19.50.046.19.55.2551,536
46.33.64.0/2146.33.64.046.33.77.2553,584
46.33.78.0/2346.33.78.046.33.95.2554,608
46.34.1.0/2446.34.1.046.34.2.255512
More prefixes

IPv6 prefixes

50
2001:590::/342001:590:3800::/462001:590:3804::/322001:668::/392001:668:118::/422001:668:127::/432001:668:131::/402001:668:200::/292001:67c:1514::/482001:680::/432001:680:17::/322001:6f8::/382001:6f8:207::/392001:6f8:400::/352001:6f8:1904::/402001:6f8:1a00::/322001:aa0::/362001:aa0:f00::/332001:aa0:7005::/362001:aa0:8000::/332001:1478::/382001:1478:202::/372001:1478:701::/352001:1478:1802::/322001:4890::/322400:f780::/322405:5e00::/322602:ffb7:590::/462604:cf80::/322605:d480::/322606:6200::/322607:f588::/322610:38::/322620:135:7003::/482a00:16c8::/392a00:16c8:112::/322a00:1750::/322a00:43c0::/322a00:4b00:171::/482a00:7580:16::/482a00:80c0::/322a00:8d00::/322a00:bb40::/322a02:9e8::/322a02:d28::/322a02:6280::/322a04:e00:2::/482a04:1120::/302a04:6640::/292a04:a3c7::/32
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