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AS29403Verisign Anycast CH 0B

United StatesRegistryRIPE NCC

As of 29th September 2026, AS29403 (Verisign Anycast CH 0B), a network registered in the United States with RIPE NCC, originates 1 IPv4 prefix covering 256 addresses. By IPv4 address space that makes it the 59,202nd-largest of the 79,607 networks we see originating IPv4, and the 12,881st-largest of 18,442 in the United States. It is seen behind 1 upstream network, most often AS3303 (Swisscom (Schweiz) AG). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS29403 is seen behind, one and two hops out, drawn from real AS paths.

AS29403Toward the internet core
Upstream graph for AS29403: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS29403Verisign Anycast …This networkAS3303Swisscom (Schweiz…AS2914NTT America, Inc.AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS29403 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS29403
NetworkCountryRelationshipPathsVantage pts
AS3303Swisscom (Schweiz) AGCHPeer8181

Prefixes

The largest blocks AS29403 originates, widest first.

Largest prefixes originated by AS29403
PrefixAddressesVisibility
217.30.88.0/2425681/82

Routing health

How AS29403's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%1
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

Recent changes

Announcements that started or stopped since 30th Aug 2026.

No announcement by AS29403 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.