AS25979 CITY OF MADISON 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
1
4,096 (16 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it

Registry and operator data

AS number
AS25979
Name
CITY OF MADISON
Organisation
CITY OF MADISON
Country
🇺🇸 US
RIR
ARIN
Allocated
2002-06-11

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (50.0%) 0 invalid (0.0%) 1 no ROA (50.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS2381 WiscNet 🇺🇸 US 183 37 87 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS64251 Monona Terrace Community and Convention Center 🇺🇸 US 0 1 2 CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.