AS42772 Unitary enterprise A1
AS42772 (A1-BY-AS) is registered to Unitary enterprise A1 in BY. It originates 405 prefixes in the global routing table.
385
IPv4 prefixes
20
IPv6 prefixes
257,280
IPv4 addresses
100%
RPKI valid
Registration
Who holds AS42772
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS42772
Handle
A1-BY-AS
Organization
Unitary enterprise A1
Country
BY
ASPA
None published
Routing
What AS42772 announces
Prefixes originated by AS42772 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
385
IPv6 prefixes
20
IPv4 addresses
257,280 (1,005 /24s)
RPKI valid
405 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS42772
381
With an IRR route object
395 97%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (385)
37.17.0.0/1737.17.6.0/2337.17.8.0/2137.17.16.0/2237.17.20.0/2237.17.24.0/2137.17.32.0/2137.17.40.0/2137.17.48.0/2037.17.64.0/1937.17.96.0/2037.17.112.0/2237.17.117.0/2437.17.118.0/2437.17.119.0/2437.17.120.0/2146.53.128.0/2146.53.128.0/2446.53.129.0/2446.53.130.0/2446.53.131.0/2446.53.132.0/2446.53.133.0/2446.53.134.0/2446.53.135.0/2446.53.136.0/2146.53.136.0/2446.53.137.0/2446.53.138.0/2446.53.139.0/2446.53.140.0/2446.53.141.0/2446.53.142.0/2346.53.144.0/2146.53.144.0/2446.53.145.0/2446.53.146.0/2446.53.147.0/2446.53.148.0/2446.53.149.0/2446.53.150.0/2446.53.151.0/2446.53.152.0/2146.53.160.0/2146.53.163.0/2446.53.164.0/2446.53.165.0/2446.53.167.0/2446.53.168.0/2146.53.173.0/2446.53.174.0/2346.53.176.0/2246.53.180.0/2246.53.184.0/2146.53.184.0/2346.53.186.0/2446.53.189.0/2446.53.190.0/2346.53.192.0/2246.53.192.0/2446.53.193.0/2446.53.194.0/2446.53.195.0/2446.53.197.0/2446.53.198.0/2346.53.200.0/2246.53.204.0/2446.53.205.0/2446.53.206.0/2446.53.207.0/2446.53.208.0/2446.53.210.0/2446.53.211.0/2446.53.212.0/2246.53.216.0/2346.53.216.0/2446.53.217.0/2446.53.218.0/2346.53.218.0/2446.53.219.0/2446.53.220.0/2346.53.222.0/2346.53.224.0/2246.53.228.0/2246.53.232.0/2146.53.240.0/2146.53.248.0/2146.56.129.0/2446.56.130.0/2346.56.132.0/2446.56.133.0/2446.56.134.0/2446.56.135.0/2446.56.136.0/2346.56.138.0/2346.56.140.0/2246.56.144.0/2046.56.160.0/2146.56.168.0/2146.56.176.0/2046.56.176.0/2146.56.184.0/2146.56.192.0/2146.56.200.0/2146.56.208.0/2446.56.209.0/2446.56.210.0/2446.56.211.0/2446.56.212.0/2446.56.213.0/2446.56.214.0/2346.56.216.0/2146.56.224.0/2146.56.232.0/2146.56.240.0/2146.56.248.0/2146.182.48.0/2177.74.32.0/2177.74.34.0/2477.74.35.0/24
Show 265 more
77.74.36.0/2477.74.37.0/2477.74.38.0/2477.74.39.0/2487.252.231.0/2487.252.239.0/2487.252.246.0/2487.252.247.0/2487.252.248.0/2487.252.251.0/2487.252.252.0/2487.252.254.0/2487.252.255.0/2491.149.128.0/2191.149.128.0/2491.149.129.0/2491.149.130.0/2491.149.131.0/2491.149.132.0/2491.149.133.0/2491.149.134.0/2491.149.135.0/2491.149.144.0/2191.149.152.0/2491.149.153.0/2491.149.154.0/2491.149.162.0/2491.149.165.0/2491.149.168.0/2491.149.169.0/2491.149.174.0/2491.149.182.0/2491.149.184.0/2491.149.185.0/2491.149.186.0/2491.149.187.0/2491.149.188.0/2491.149.190.0/2491.149.191.0/2492.38.64.0/2192.38.72.0/2193.125.0.0/2493.125.2.0/2493.125.3.0/2493.125.4.0/2493.125.5.0/2493.125.6.0/2493.125.7.0/2493.125.8.0/2493.125.9.0/2493.125.10.0/2493.125.11.0/2493.125.12.0/2493.125.13.0/2493.125.14.0/2493.125.15.0/2493.125.16.0/2493.125.17.0/2493.125.28.0/2493.125.32.0/2493.125.36.0/2493.125.37.0/2493.125.40.0/2493.125.41.0/2493.125.46.0/2493.125.47.0/2493.125.51.0/2493.125.55.0/2493.125.56.0/2493.125.57.0/2493.125.62.0/2493.125.63.0/2493.125.64.0/2493.125.65.0/2493.125.66.0/2493.125.67.0/2493.125.68.0/2493.125.69.0/2493.125.74.0/2493.125.80.0/2493.125.81.0/2493.125.83.0/2493.125.84.0/2493.125.85.0/2493.125.86.0/2493.125.100.0/2493.125.101.0/2493.125.102.0/2493.125.103.0/2493.125.112.0/2493.125.115.0/2493.125.116.0/2393.125.119.0/2493.125.125.0/2493.125.127.0/2493.170.184.0/2493.170.185.0/2493.171.112.0/2193.171.120.0/2193.191.96.0/2293.191.100.0/2493.191.101.0/2493.191.102.0/2493.191.103.0/2495.46.16.0/2295.46.20.0/2295.46.24.0/2295.46.46.0/2495.46.200.0/2495.46.201.0/2495.46.202.0/2495.46.203.0/2495.46.204.0/2495.46.205.0/2495.46.206.0/2495.46.207.0/2495.46.208.0/24128.65.0.0/18128.65.0.0/24128.65.1.0/24128.65.2.0/23128.65.4.0/23128.65.6.0/23128.65.8.0/21128.65.16.0/22128.65.20.0/22128.65.24.0/21128.65.24.0/22128.65.28.0/22128.65.32.0/21128.65.40.0/21128.65.56.0/22128.65.60.0/22128.140.240.0/20128.140.240.0/24128.140.244.0/22128.140.248.0/22146.120.32.0/22146.120.36.0/22146.120.128.0/21146.120.136.0/21146.120.144.0/21151.249.128.0/18151.249.128.0/21151.249.136.0/21151.249.144.0/22151.249.148.0/22151.249.152.0/21151.249.160.0/21151.249.168.0/21151.249.176.0/21151.249.184.0/21151.249.192.0/22151.249.196.0/22151.249.200.0/21151.249.208.0/21151.249.216.0/21151.249.224.0/21151.249.232.0/21151.249.240.0/22151.249.244.0/23151.249.244.0/24151.249.245.0/24151.249.246.0/23151.249.246.0/24151.249.247.0/24151.249.248.0/21178.163.128.0/17178.163.128.0/24178.163.129.0/24178.163.130.0/24178.163.131.0/24178.163.132.0/24178.163.133.0/24178.163.134.0/24178.163.135.0/24178.163.136.0/24178.163.138.0/24178.163.140.0/22178.163.144.0/21178.163.152.0/21178.163.160.0/24178.163.161.0/24178.163.162.0/24178.163.163.0/24178.163.164.0/24178.163.165.0/24178.163.168.0/21178.163.176.0/21178.163.184.0/21178.163.192.0/22178.163.196.0/22178.163.200.0/23178.163.202.0/23178.163.204.0/23178.163.206.0/23178.163.208.0/21178.163.216.0/22178.172.144.0/24178.172.145.0/24178.172.146.0/24178.172.147.0/24178.172.151.0/24178.172.152.0/24178.172.156.0/24178.172.157.0/24178.172.158.0/24178.172.159.0/24178.172.176.0/24178.172.200.0/24178.172.203.0/24178.172.205.0/24178.172.206.0/24178.172.207.0/24178.172.209.0/24178.172.210.0/24178.172.240.0/24178.172.241.0/24185.61.104.0/23185.61.105.0/24185.61.106.0/23195.222.64.0/20195.222.64.0/24195.222.66.0/24195.222.67.0/24195.222.68.0/24195.222.70.0/24195.222.71.0/24195.222.72.0/24195.222.73.0/24195.222.79.0/24195.222.80.0/21195.222.80.0/24195.222.81.0/24195.222.82.0/24195.222.88.0/23195.222.90.0/24195.222.91.0/24195.222.92.0/22195.222.92.0/24213.184.224.0/22213.184.224.0/24213.184.225.0/24213.184.226.0/24213.184.227.0/24213.184.230.0/24213.184.232.0/24213.184.233.0/24213.184.244.0/24213.184.245.0/24213.184.248.0/24213.184.249.0/24213.184.250.0/24213.184.251.0/24213.184.252.0/24213.184.253.0/24213.184.254.0/24213.184.255.0/24217.21.33.0/24217.21.46.0/24217.21.48.0/24217.21.51.0/24217.21.54.0/24217.21.59.0/24217.21.60.0/24
IPv6 (20)
2a00:1760::/322a00:1760:8000::/402a00:1760:8100::/402a00:1761::/322a00:1761:a000::/352a00:1761:a000::/402a00:1761:a100::/402a00:1761:a200::/402a00:1761:a300::/402a00:1761:c000::/362a00:1762::/322a00:1762:8000::/402a00:1762:8100::/402a00:1763::/322a00:1763:8000::/402a00:1763:8100::/402a00:1765::/322a00:1765:8000::/402a00:1765:8100::/402a03:3000::/32
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS42772 is reached through
The AS just before AS42772 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.
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | A1-BY-AS | RIPE-NCC-END-MNT, MNT-MDC |
Route objects with origin AS42772: RIPE 468 · LEVEL3 2
as-sets that list AS42772 (12)