AS1501 Headquarters, USAISC
AS1501 (DNIC-ASBLK-01500-01502) is registered to Headquarters, USAISC in US. It originates 144 prefixes in the global routing table.
144
IPv4 prefixes
0
IPv6 prefixes
48,128
IPv4 addresses
0%
RPKI valid
Registration
Who holds AS1501
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS1501
Handle
DNIC-ASBLK-01500-01502
Organization
Headquarters, USAISC
Country
US
ASPA
None published
Routing
What AS1501 announces
Prefixes originated by AS1501 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
144
IPv6 prefixes
0
IPv4 addresses
48,128 (188 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
144
ROAs naming AS1501
0
With an IRR route object
0 0%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (144)
136.210.224.0/24136.210.249.0/24143.70.4.0/22143.70.15.0/24143.73.28.0/24143.73.29.0/24143.73.35.0/24143.73.38.0/24143.73.49.0/24143.73.50.0/24143.73.51.0/24143.73.53.0/24143.73.55.0/24143.73.56.0/24143.73.57.0/24143.73.58.0/24143.73.62.0/24143.73.63.0/24143.73.64.0/24143.73.65.0/24143.73.69.0/24143.73.70.0/24143.73.71.0/24143.73.72.0/24143.73.76.0/24143.73.77.0/24143.73.78.0/24143.73.79.0/24143.73.84.0/24143.73.85.0/24143.73.86.0/24143.73.90.0/24143.73.92.0/24143.73.93.0/24143.73.94.0/24143.73.95.0/24143.76.18.0/24143.76.48.0/24143.76.224.0/24143.86.175.0/24143.86.208.0/24143.194.128.0/23143.194.132.0/24143.194.133.0/24143.194.134.0/24143.194.136.0/24143.194.137.0/24143.194.138.0/24143.194.139.0/24143.194.142.0/24143.249.96.0/20143.249.111.0/24143.249.164.0/24143.249.165.0/24143.249.166.0/24143.249.167.0/24143.249.196.0/24144.104.37.0/24144.104.103.0/24144.105.172.0/24144.105.202.0/24144.107.115.0/24144.107.186.0/24144.107.255.0/24146.16.223.0/24147.104.76.0/24147.104.96.0/24147.104.100.0/22147.104.103.0/24147.104.104.0/24147.104.120.0/24147.104.131.0/24147.104.247.0/24147.104.248.0/24150.196.240.0/20150.196.240.0/21150.196.246.0/24150.196.247.0/24150.196.253.0/24150.196.255.0/24155.20.1.0/24155.20.2.0/24155.20.3.0/24155.20.8.0/24155.20.10.0/24155.20.16.0/24155.20.17.0/24155.20.18.0/24155.20.19.0/24155.20.20.0/24155.20.21.0/24155.20.22.0/24155.20.24.0/24155.20.25.0/24155.20.26.0/24155.20.27.0/24155.20.28.0/24155.20.33.0/24155.20.37.0/24155.20.38.0/24155.20.42.0/24155.20.218.0/24155.20.219.0/24155.26.48.0/23155.26.48.0/24155.26.72.0/24155.26.84.0/24155.26.111.0/24155.26.136.0/22155.26.136.0/24155.26.137.0/24155.26.140.0/23155.26.140.0/24155.26.141.0/24155.26.143.0/24155.26.147.0/24155.26.197.0/24155.26.200.0/24155.26.201.0/24155.26.202.0/24
Show 24 more
155.26.203.0/24155.26.224.0/20155.26.228.0/24155.26.235.0/24155.30.120.0/24155.30.124.0/24155.30.125.0/24155.30.127.0/24155.30.191.0/24155.30.204.0/24155.30.205.0/24158.11.16.0/24158.11.17.0/24158.11.18.0/24158.11.19.0/24158.11.25.0/24158.11.26.0/24158.11.27.0/24158.11.160.0/24158.11.161.0/24158.11.168.0/24158.11.197.0/24158.11.208.0/23158.13.147.0/24
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS1501 is reached through
The AS just before AS1501 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.