Country
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ASN LANDING PAGE
AS3257
GTT-BACKBONE GTT Communications Inc.
Last updated · Apr 10, 2026
Total prefixes
1471
IPv4 prefixes
1395
IPv6 prefixes
76
ASN summary
How to read the scale of AS3257
GTT-BACKBONE GTT Communications Inc. currently shows 1471 prefixes and 80 upstream, downstream, or peer relationships. Larger prefix inventories often indicate broader network footprint, but they should still be read together with country and peering context.
When is an ASN page most useful?
ASN landing pages are more useful than a single IP page when you want cloud provider attribution, routing research, infrastructure comparison, or network topology analysis at the organization level.
How should you read the country, organization, and role of AS3257?
GTT-BACKBONE GTT Communications Inc. is currently associated with an unknown region. Country data is only a starting point; the more important signals are the organization name, website, prefix volume, and peering relationships that reveal whether the network behaves like a cloud platform, ISP, CDN, or enterprise backbone.
What should you inspect next after the AS3257 page?
This page is currently showing live ASN data that can be used for peer, prefix, and network scale analysis. The most useful next step is usually to return to a related IP landing page, then compare that concrete address with this ASN profile and with broader topic pages for routing, cloud attribution, or WHOIS ownership analysis.
Search intents this ASN page helps cover
AS3257 ASN lookupAS3257 BGPAS3257 peersAS3257 prefixesAS3257 upstreamsGTT-BACKBONE GTT Communications Inc. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
AS3356
AS3356
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AS174
AS174
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AS6453
AS6453
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AS1299
AS1299
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AS20473
AS20473
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AS6762
AS6762
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AS49666
AS49666
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AS15830
AS15830
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AS34984
AS34984
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AS22773
AS22773
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AS37468
AS37468
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AS12389
AS12389
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AS7195
AS7195
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AS12956
AS12956
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AS9498
AS9498
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AS3491
AS3491
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AS7018
AS7018
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AS32098
AS32098
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AS20115
AS20115
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AS9002
AS9002
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AS13649
AS13649
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AS38195
AS38195
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AS15924
AS15924
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AS396998
AS396998
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AS28917
AS28917
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AS6205
AS6205
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AS4230
AS4230
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AS23487
AS23487
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AS40676
AS40676
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AS6461
AS6461
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AS4637
AS4637
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AS7474
AS7474
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AS701
AS701
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AS52320
AS52320
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AS8452
AS8452
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AS30844
AS30844
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AS9121
AS9121
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AS400282
AS400282
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AS60068
AS60068
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AS7843
AS7843
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Peers
AS1299
AS1299
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AS3356
AS3356
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AS12586
AS12586
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AS9002
AS9002
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AS174
AS174
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AS2914
AS2914
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AS3491
AS3491
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AS6762
AS6762
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AS12779
AS12779
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AS286
AS286
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AS6894
AS6894
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AS28917
AS28917
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AS21700
AS21700
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AS8426
AS8426
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AS6453
AS6453
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AS3399
AS3399
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AS1103
AS1103
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AS51088
AS51088
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AS3320
AS3320
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AS6939
AS6939
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AS29680
AS29680
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AS852
AS852
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AS6830
AS6830
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AS12956
AS12956
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AS50300
AS50300
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AS40994
AS40994
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AS50629
AS50629
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AS35625
AS35625
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AS199524
AS199524
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AS25091
AS25091
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AS7474
AS7474
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AS34549
AS34549
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AS47160
AS47160
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AS6667
AS6667
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AS24961
AS24961
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AS2497
AS2497
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AS200612
AS200612
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AS37271
AS37271
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AS44901
AS44901
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AS61049
AS61049
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 103.232.16.0/22 | AS3257 | — |
| 104.143.184.0/24 | AS3257 | — |
| 104.143.84.0/24 | AS3257 | — |
| 104.153.224.0/22 | AS3257 | — |
| 104.165.105.0/24 | AS3257 | — |
| 104.165.199.0/24 | AS3257 | — |
| 104.194.200.0/24 | AS3257 | — |
| 104.194.203.0/24 | AS3257 | — |
| 104.194.220.0/24 | AS3257 | — |
| 104.200.66.0/24 | AS3257 | — |
| 104.200.74.0/23 | AS3257 | — |
| 104.232.192.0/24 | AS3257 | — |
| 104.232.194.0/23 | AS3257 | — |
| 104.232.216.0/24 | AS3257 | — |
| 104.232.219.0/24 | AS3257 | — |
| 104.238.32.0/24 | AS3257 | — |
| 104.244.188.0/22 | AS3257 | — |
| 104.251.82.0/24 | AS3257 | — |
| 104.251.90.0/24 | AS3257 | — |
| 104.254.120.0/22 | AS3257 | — |
| 104.36.216.0/22 | AS3257 | — |
| 104.37.30.0/23 | AS3257 | — |
| 107.182.240.0/20 | AS3257 | — |
| 109.174.128.0/17 | AS3257 | — |
| 109.176.129.0/24 | AS3257 | — |
| 109.176.168.0/24 | AS3257 | — |
| 109.176.171.0/24 | AS3257 | — |
| 109.176.72.0/24 | AS3257 | — |
| 109.176.77.0/24 | AS3257 | — |
| 109.204.0.0/17 | AS3257 | — |
| 109.71.168.0/21 | AS3257 | — |
| 128.127.152.0/21 | AS3257 | — |
| 128.177.95.0/24 | AS3257 | — |
| 131.125.16.0/22 | AS3257 | — |
| 131.176.196.0/23 | AS3257 | — |
| 131.176.208.0/24 | AS3257 | — |
| 131.176.216.0/21 | AS3257 | — |
| 131.176.225.0/24 | AS3257 | — |
| 131.176.248.0/24 | AS3257 | — |
| 131.176.249.0/24 | AS3257 | — |
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Related lookups and next steps
WHOIS vs ASN Ownership Guide
Continue from this ASN into the differences between WHOIS ownership and ASN ownership.
Routing Troubleshooting and Network Analysis
Continue from this ASN into route troubleshooting and network analysis.
Cloud Network and ASN Comparison
Useful when you want to compare this ASN against larger cloud and edge networks.
WHOIS and IP Ownership Guide
Continue from the ASN page into WHOIS and ownership verification.
Frequently asked questions about this ASN page
What does AS3257 represent?
AS3257 is an autonomous system number used to identify an independently operated network. The current page associates it with GTT-BACKBONE GTT Communications Inc. in an unknown region, which helps determine whether it behaves like a cloud provider, ISP, CDN, or enterprise backbone.
What are peers, upstreams, and prefixes useful for on the AS3257 page?
They help explain the scale, interconnection depth, and route structure of AS3257. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.
What should you do after reviewing AS3257?
The best next step is usually to return to a concrete IP landing page to see how a specific address maps into AS3257, then continue into cloud, WHOIS, or routing topic pages to understand the network in a broader context.
Related topics
WHOIS vs ASN Ownership Guide
Understand why WHOIS ownership and ASN ownership can differ, and how to combine both when deciding who really owns or operates an IP.
WHOIS and IP Ownership Guide
Use WHOIS, ASN, prefixes, and organization data to determine who ultimately owns an IP, range, or resolved domain target.
BGP and ASN Basics Guide
Learn what ASN, BGP routes, prefixes, upstreams, downstreams, and peers mean, then explore real ASN pages.
Cloud Network and ASN Comparison
Compare large cloud and edge networks such as Google, Cloudflare, Microsoft, and Amazon through their ASN landing pages.