Country
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ASN LANDING PAGE
AS3557
ISC-AS - Internet Systems Consortium, Inc.
Last updated · Jul 20, 2026
Total prefixes
4
IPv4 prefixes
2
IPv6 prefixes
2
ASN summary
How to read the scale of AS3557
ISC-AS - Internet Systems Consortium, Inc. currently reports 4 prefixes and 21 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.
What can an ASN page answer?
An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.
How should you read the organization and region fields?
ISC-AS - Internet Systems Consortium, Inc. is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.
How should you verify the AS3557 result?
The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.
How to verify this ASN result
AS3557 ASN lookupAS3557 BGPAS3557 peersAS3557 prefixesAS3557 upstreamsISC-AS - Internet Systems Consortium, Inc. ASN
Upstreams
Detailed data for this ASN is not available right now.
Downstreams
Detailed data for this ASN is not available right now.
Peers
AS13335
AS13335
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AS30132
AS30132
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AS1280
AS1280
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AS33071
AS33071
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AS33082
AS33082
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AS205488
AS205488
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AS394070
AS394070
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AS27320
AS27320
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AS27322
AS27322
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AS30122
AS30122
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AS33073
AS33073
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AS61447
AS61447
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AS2847
AS2847
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AS24051
AS24051
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AS27321
AS27321
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AS27913
AS27913
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AS33072
AS33072
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AS33081
AS33081
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AS201969
AS201969
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AS210762
AS210762
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AS328995
AS328995
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Prefix inventory
| Prefix | Name | Country |
|---|---|---|
| 192.5.4.0/23 | AS3557 | — |
| 192.5.5.0/24 | AS3557 | — |
| 2001:500:2e::/47 | AS3557 | — |
| 2001:500:2f::/48 | AS3557 | — |
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Related lookups and next steps
Frequently asked questions about this ASN page
What does AS3557 represent?
AS3557 is an autonomous system number. The current source associates it with ISC-AS - Internet Systems Consortium, Inc. and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.
What are peers, upstreams, and prefixes useful for on the AS3557 page?
They help explain the scale, interconnection depth, and route structure of AS3557. 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 AS3557?
Open a concrete IP page to check how the address maps into AS3557, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.
Related topics
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