ResearchRouting table, RPKI, IRR & looking glass

AS27138 United States Department of Defense (DoD)

AS27138 (DNIC-ASBLK-27032-27159) is registered to United States Department of Defense (DoD) in US. It originates 154 prefixes in the global routing table.

154
IPv4 prefixes
0
IPv6 prefixes
43,520
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS27138

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

AS number
AS27138
Handle
DNIC-ASBLK-27032-27159
Organization
United States Department of Defense (DoD)
Country
US
ASPA
None published
Routing

What AS27138 announces

Prefixes originated by AS27138 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
154
IPv6 prefixes
0
IPv4 addresses
43,520 (170 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
154
ROAs naming AS27138
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 (154)
128.26.15.0/24128.26.16.0/24128.26.17.0/24128.26.18.0/24128.26.19.0/24128.26.20.0/24128.26.21.0/24128.26.22.0/24128.26.23.0/24128.26.24.0/24128.26.25.0/24128.26.38.0/24128.26.40.0/24128.26.44.0/24128.26.45.0/24128.26.46.0/24128.26.47.0/24128.26.51.0/24128.26.52.0/24128.26.54.0/24128.26.56.0/24128.26.58.0/24128.26.77.0/24128.26.82.0/24128.26.83.0/24128.26.85.0/24128.26.87.0/24128.26.88.0/24128.26.89.0/24128.26.90.0/24128.26.94.0/24128.26.95.0/24128.26.96.0/24128.26.97.0/24128.26.98.0/24128.26.99.0/24128.26.100.0/24128.26.101.0/24128.26.102.0/24128.26.108.0/24128.26.109.0/24128.26.110.0/24128.26.116.0/24128.26.141.0/24128.26.142.0/24128.26.144.0/24128.26.147.0/24128.26.154.0/24128.26.175.0/24128.26.231.0/24128.26.232.0/24128.26.233.0/24128.26.234.0/24128.26.239.0/24128.26.240.0/24128.26.241.0/24128.26.242.0/24128.26.243.0/24128.26.244.0/24128.26.245.0/24128.26.248.0/24128.26.249.0/24128.26.250.0/24128.26.252.0/24128.26.253.0/24139.241.220.0/24139.241.243.0/24198.218.1.0/24198.218.5.0/24198.218.10.0/24198.218.20.0/24198.218.21.0/24198.218.22.0/24198.218.26.0/24198.218.38.0/24198.218.39.0/24198.218.41.0/24198.218.49.0/24198.218.52.0/24198.218.54.0/24198.218.56.0/24198.218.57.0/24198.218.61.0/24198.218.70.0/24198.218.71.0/24198.218.74.0/24198.218.75.0/24198.218.76.0/24198.218.79.0/24198.218.80.0/24198.218.81.0/24198.218.83.0/24198.218.86.0/24198.218.91.0/24198.218.92.0/24198.218.93.0/24198.218.100.0/24198.218.103.0/24198.218.112.0/24198.218.118.0/24198.218.119.0/24198.218.159.0/24198.218.175.0/24198.218.200.0/24198.218.250.0/24198.219.8.0/24198.219.147.0/24198.219.170.0/24198.219.178.0/24198.220.71.0/24198.220.76.0/24198.220.80.0/24198.220.85.0/24198.220.86.0/24198.220.153.0/24198.220.157.0/24198.220.158.0/24198.220.163.0/24198.220.187.0/24205.58.104.0/24
Show 34 more
205.58.105.0/24205.58.106.0/24205.60.229.0/24205.60.235.0/24205.60.237.0/24205.60.238.0/24205.60.239.0/24205.61.121.0/24205.61.129.0/24205.61.130.0/24205.61.254.0/23205.73.180.0/23205.73.190.0/23205.73.190.0/24214.4.197.0/24214.6.250.0/24214.25.16.0/24214.25.152.0/24214.25.177.0/24214.25.192.0/24214.25.193.0/24214.25.209.0/24214.25.211.0/24214.29.108.0/24214.29.113.0/24214.29.115.0/24214.29.116.0/24214.29.117.0/24214.29.124.0/24214.29.125.0/24214.51.16.0/21214.51.24.0/21214.51.57.0/24215.249.14.0/24

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS27138 is reached through

The AS just before AS27138 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.

AS27064 DNIC-ASBLK-27032-27159 49AS27137 DNIC-ASBLK-27032-27159 11
IRR

Routing registry objects

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

as-sets that list AS27138 (2)
AS199746:AS-BLACKLISTAS204464:AS-BLACKLIST
Tools

Check AS27138 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup