AS187 — DNSCAST-AS
AS187 announces 2 IPv4 prefixes covering 4,608 addresses and 2 IPv6 prefixes.
About this network
A low-numbered legacy allocation (DNSCAST-AS) now held by DNScast, a small DNS-focused network based in Berkeley, California.
What it's used for
- Operating DNS and related network services.
Notable
- Although currently registered to DNScast, the two-digit-adjacent AS number is an early-internet allocation from the number space's first years.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 72.42.112.0/20
- 203.119.88.0/23
- 2001:dd8:7::/48
- 2620:171:d00::/44
Upstream networks
- AS42 WoodyNet, Inc.
Adjacent networks
- AS42 WoodyNet, Inc.
BGP / ASN / CIDR
awaiting query
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IPv4
resolving...
IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED