ResearchRouting table, RPKI, IRR & looking glass

AS2381 WiscNet

AS2381 (WISCNET1-AS) is registered to WiscNet in US. It originates 39 prefixes in the global routing table.

37
IPv4 prefixes
2
IPv6 prefixes
515,328
IPv4 addresses
15%
RPKI valid
Registration

Who holds AS2381

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS2381
Handle
WISCNET1-AS
Organization
WiscNet
Country
US
ASPA
None published
Routing

What AS2381 announces

Prefixes originated by AS2381 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
37
IPv6 prefixes
2
IPv4 addresses
515,328 (2,013 /24s)
RPKI valid
6 15%
RPKI invalid
0
RPKI not found
33
ROAs naming AS2381
8
With an IRR route object
35 89%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (37)
64.189.15.0/24140.104.0.0/16140.189.0.0/16143.109.64.0/19143.109.192.0/19144.89.0.0/18148.59.44.0/24160.32.0.0/22165.128.0.0/16170.125.0.0/16170.125.238.0/23192.156.230.0/24192.206.48.0/24198.150.0.0/16199.197.64.0/18199.233.44.0/23199.233.44.0/24199.233.45.0/24199.233.84.0/24199.233.86.0/24199.233.142.0/24199.242.176.0/24199.248.186.0/24204.128.233.0/24204.128.234.0/24204.128.235.0/24204.128.236.0/24204.128.237.0/24204.128.238.0/24204.128.240.0/24204.128.241.0/24204.128.242.0/24204.145.232.0/24205.213.0.0/16208.85.28.0/22216.56.0.0/16216.56.252.0/23
IPv6 (2)
2001:4e0::/322620:11f:f000::/40

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS2381 is reached through

The AS just before AS2381 in the paths our looking glass collectors hold, for 39 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS6939 HURRICANE 39AS1299 TWELVE99 39AS3257 GTT-BACKBONE 3
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBWiscNetMAINT-WISCNET

Route objects with origin AS2381: RADB 38 · ARIN 1

as-sets that list AS2381 (13)
AS-AS33274-MICE-RS-PEERSAS-HURRICANEAS-HURRICANEV6AS-HWNG-DOWNSTREAMSAS-LEVEL3-CUSTOMERS-NAAS-LEVEL3-ORIGINS-NAAS-OCCAID6-CUSTOMERSAS-RCN-CE-PEERSAS-TRANSROUTE-SPECAS-WISCNETAS22335:AS-CUSTOMERSAS3303:AS-SWCMPEERSAS3676:AS-UIOWA-PEERS-ANNOUNCE-CUST
Tools

Check AS2381 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup