AS1493 Headquarters, USAISC
AS1493 (DNIC-ASBLK-01492-01493) is registered to Headquarters, USAISC in US. It originates 28 prefixes in the global routing table.
28
IPv4 prefixes
0
IPv6 prefixes
121,088
IPv4 addresses
0%
RPKI valid
Registration
Who holds AS1493
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS1493
Handle
DNIC-ASBLK-01492-01493
Organization
Headquarters, USAISC
Country
US
ASPA
None published
Routing
What AS1493 announces
Prefixes originated by AS1493 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
28
IPv6 prefixes
0
IPv4 addresses
121,088 (473 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
28
ROAs naming AS1493
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 (28)
143.69.138.0/24143.69.139.0/24143.69.140.0/24143.69.141.0/24143.69.142.0/24143.69.144.0/24143.69.147.0/24146.55.80.0/20146.55.192.0/18155.19.192.0/18155.26.176.0/20155.26.208.0/20155.28.124.0/22155.28.160.0/19155.28.192.0/19155.28.240.0/20155.29.224.0/21155.152.128.0/20155.152.144.0/22155.152.148.0/22155.152.176.0/20155.213.64.0/18155.213.208.0/21158.13.160.0/19199.209.154.0/23199.209.156.0/22199.209.160.0/19199.209.192.0/20
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS1493 is reached through
The AS just before AS1493 in the paths our looking glass collectors hold, for 28 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.