ResearchRouting table, RPKI, IRR & looking glass

AS11426 Charter Communications Inc

AS11426 (TWC-11426-CAROLINAS) is registered to Charter Communications Inc in US. It originates 215 prefixes in the global routing table.

206
IPv4 prefixes
9
IPv6 prefixes
4,462,336
IPv4 addresses
86%
RPKI valid

Who holds AS11426

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

AS number
AS11426
Handle
TWC-11426-CAROLINAS
Organization
Charter Communications Inc
Country
US
ASPA
None published

What AS11426 announces

Prefixes originated by AS11426 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
206
IPv6 prefixes
9
IPv4 addresses
4,462,336 (17,431 /24s)
RPKI valid
187 86%
RPKI invalid
1
RPKI not found
27
ROAs naming AS11426
238
With an IRR route object
198 92%

Announced prefixes

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

IPv4 (206)
24.25.0.0/1824.27.240.0/2024.28.224.0/1924.31.192.0/1924.74.0.0/1624.88.0.0/1624.93.64.0/1924.106.168.0/2124.106.176.0/2024.106.192.0/1924.123.144.0/2124.123.176.0/2024.142.192.0/1824.143.208.0/2024.162.224.0/1924.163.0.0/1724.163.0.0/1924.167.128.0/1824.168.160.0/1924.168.192.0/1824.171.160.0/1924.172.0.0/1724.172.224.0/2024.172.248.0/2124.199.128.0/1724.206.32.0/1924.211.32.0/1924.211.64.0/1824.211.128.0/1737.153.154.0/2438.92.51.0/2438.134.115.0/2438.141.168.0/2445.36.0.0/1545.43.132.0/2245.45.152.0/2245.81.26.0/2345.94.152.0/2445.147.68.0/2245.158.192.0/2246.20.212.0/2247.231.0.0/1951.146.200.0/2151.194.0.0/2162.72.164.0/2464.20.209.0/2464.50.167.0/2464.84.116.0/2264.183.154.0/2364.183.158.0/2365.28.144.0/2165.184.0.0/1665.184.32.0/1965.187.0.0/1665.188.0.0/1665.190.0.0/1566.26.0.0/1666.56.96.0/1966.56.128.0/1766.57.0.0/1666.61.192.0/1866.93.108.0/2366.93.110.0/2366.93.220.0/2366.93.222.0/2367.48.112.0/2069.63.88.0/2469.132.0.0/1669.133.128.0/1869.133.224.0/1970.60.96.0/1970.60.192.0/1870.61.64.0/1870.61.192.0/1970.62.64.0/1870.63.64.0/1870.63.128.0/1771.65.128.0/1771.68.0.0/1471.74.0.0/1971.75.0.0/1671.76.0.0/1574.87.154.0/2374.218.160.0/1974.218.224.0/1974.219.0.0/1975.176.0.0/1575.178.0.0/1775.178.128.0/1875.180.192.0/1875.181.0.0/1675.182.0.0/1575.184.0.0/1875.184.64.0/1975.189.0.0/1675.190.0.0/1576.36.0.0/1676.38.0.0/1776.39.128.0/1876.49.0.0/1676.52.0.0/1676.58.40.0/2376.58.42.0/2376.78.0.0/2476.92.96.0/2076.182.0.0/1776.182.160.0/1978.24.126.0/2382.152.131.0/2484.252.86.0/2386.109.80.0/2386.109.82.0/2386.109.84.0/2386.109.86.0/2386.109.92.0/2386.109.94.0/2389.46.180.0/2291.124.201.0/2491.124.207.0/2494.103.48.0/22
Show 86 more
IPv6 (9)

RPKI valid   RPKI invalid   no ROA covers it

Who AS11426 is reached through

The AS just before AS11426 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.

Provider authorization

AS11426 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS11426 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
ARINCharter-Communications-TWC-11426-CAROLINASMNT-CC-3517

Route objects with origin AS11426: RADB 249 · ARIN 54 · RIPE 44 · APNIC 15 · LEVEL3 4 · AFRINIC 2

as-sets that list AS11426 (17)