ResearchRouting table, RPKI, IRR & looking glass

AS33363 Charter Communications, Inc

AS33363 (BHN-33363) is registered to Charter Communications, Inc in US, through ARIN. It originates 505 prefixes in the global routing table.

444
IPv4 prefixes
61
IPv6 prefixes
5,818,624
IPv4 addresses
86%
RPKI valid
Registration

Who holds AS33363

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

AS number
AS33363
Handle
BHN-33363
Organization
Charter Communications, Inc
Country
US
Registry
ARIN
ASPA
None published
WHOIS recordARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33363
ASName:         BHN-33363
ASHandle:       AS33363
RegDate:        2004-12-03
Updated:        2018-11-20
Ref:            https://rdap.arin.net/registry/autnum/33363



OrgName:        Charter Communications, Inc
OrgId:          CC-3518
Address:        6175 S. Willow Dr
City:           Greenwood Village
StateProv:      CO
PostalCode:     80111
Country:        US
RegDate:        2018-10-10
Updated:        2022-09-14
Comment:        Legacy Bright House Networks IP Assets
Ref:            https://rdap.arin.net/registry/entity/CC-3518


OrgTechHandle: IPADD1-ARIN
OrgTechName:   IPAddressing
OrgTechPhone:  +1-866-248-7662 
OrgTechEmail:  PublicIPAddressing@charter.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-ARIN

OrgAbuseHandle: ABUSE19-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-877-777-2263 
OrgAbuseEmail:  abuse@charter.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Routing

What AS33363 announces

Prefixes originated by AS33363 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
444
IPv6 prefixes
61
IPv4 addresses
5,818,624 (22,729 /24s)
RPKI valid
438 86%
RPKI invalid
59
RPKI not found
8
ROAs naming AS33363
556
With an IRR route object
309 61%
Prefixes

Announced prefixes

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

IPv4 (444)
16.98.0.0/1816.98.64.0/2016.98.80.0/2116.98.88.0/2116.98.96.0/2016.98.112.0/2024.43.184.0/2124.73.0.0/1724.73.64.0/1824.73.128.0/1824.73.176.0/2024.73.178.0/2424.73.192.0/1924.73.224.0/2024.92.0.0/1924.92.160.0/1924.92.184.0/2224.92.192.0/1924.94.96.0/1924.94.128.0/1924.95.224.0/1924.106.96.0/2324.106.156.0/2324.106.253.0/2424.106.254.0/2324.123.16.0/2024.123.208.0/2324.123.211.0/2424.123.212.0/2224.123.216.0/2224.123.220.0/2324.123.222.0/2424.129.128.0/1824.129.144.0/2324.129.146.0/2324.129.148.0/2224.160.64.0/1824.160.124.0/2424.164.0.0/1824.172.160.0/2124.172.168.0/2224.172.172.0/2324.172.174.0/2424.172.176.0/2024.173.112.0/2024.173.112.0/2424.173.113.0/2424.173.114.0/2324.173.128.0/1924.173.128.0/2024.173.160.0/2024.199.28.0/2324.199.36.0/2324.227.32.0/1924.227.64.0/1824.227.96.0/2324.227.98.0/2324.227.100.0/2324.227.102.0/2324.227.104.0/2324.227.106.0/2324.227.108.0/2235.136.0.0/1335.137.235.0/2435.139.168.0/2135.140.0.0/1635.141.36.0/2235.141.112.0/2435.141.128.0/1735.143.46.0/2435.143.94.0/2335.145.0.0/1645.3.128.0/1845.3.192.0/1847.227.0.0/1647.231.160.0/2147.231.168.0/2147.231.176.0/2247.231.180.0/2247.231.184.0/2347.231.186.0/2347.231.188.0/2347.231.190.0/2347.248.128.0/1747.249.0.0/1650.88.0.0/1550.88.194.0/2450.90.0.0/1650.91.0.0/1750.91.128.0/1750.91.192.0/1865.31.64.0/2065.32.0.0/1565.32.68.0/2265.32.72.0/2165.32.140.0/2265.34.0.0/1965.34.16.0/2065.34.48.0/2065.34.64.0/1965.34.80.0/2165.34.88.0/2165.34.96.0/2065.34.112.0/2065.34.120.0/2265.35.0.0/1666.25.96.0/1967.8.0.0/1667.8.110.0/2467.9.0.0/1967.9.32.0/2067.9.40.0/2167.9.48.0/2167.9.56.0/2267.9.60.0/2267.9.64.0/1867.9.128.0/1767.53.96.0/2067.78.0.0/1967.78.128.0/17
Show 324 more
67.78.216.0/2167.78.224.0/2067.78.232.0/2167.79.128.0/1868.200.0.0/1668.202.0.0/1668.204.0.0/1568.207.80.0/2068.207.128.0/1768.207.128.0/2068.207.144.0/2168.207.152.0/2268.207.160.0/2068.207.180.0/2268.207.192.0/1970.61.6.0/2470.61.54.0/2370.62.48.0/2270.62.52.0/2370.62.54.0/2470.62.56.0/2170.63.48.0/2270.63.52.0/2370.63.54.0/2470.125.0.0/1870.125.64.0/1970.125.80.0/2070.125.92.0/2270.126.0.0/1570.126.80.0/2371.40.128.0/1871.41.32.0/1971.41.64.0/1871.41.96.0/2371.41.98.0/2371.41.100.0/2271.41.104.0/2271.41.108.0/2371.41.208.0/2071.42.0.0/1871.42.4.0/2471.42.18.0/2471.42.162.0/2371.42.164.0/2271.42.168.0/2271.42.172.0/2271.43.0.0/1671.44.0.0/2171.44.8.0/2471.44.12.0/2271.44.17.0/2471.44.20.0/2471.44.32.0/2171.44.48.0/2471.44.51.0/2471.44.53.0/2471.44.54.0/2371.44.56.0/2371.44.58.0/2471.44.60.0/2471.44.62.0/2471.44.64.0/1971.44.79.0/2471.44.96.0/2071.44.102.0/2371.44.104.0/2171.44.114.0/2371.44.116.0/2271.44.120.0/2171.44.128.0/1871.44.160.0/1971.44.192.0/1971.44.208.0/2071.44.224.0/2071.44.240.0/2071.44.247.0/2471.45.0.0/1671.46.0.0/1971.46.40.0/2171.46.48.0/2071.46.54.0/2471.46.56.0/2471.46.57.0/2471.46.58.0/2371.46.61.0/2471.46.64.0/1871.46.160.0/2171.46.168.0/2171.46.176.0/2171.46.184.0/2171.46.192.0/2071.46.208.0/2071.46.224.0/1971.47.0.0/1671.67.156.0/2272.17.0.0/1772.31.0.0/2172.31.8.0/2272.31.11.0/2472.31.12.0/2472.31.13.0/2472.31.14.0/2472.31.15.0/2472.31.16.0/2172.31.24.0/2272.31.28.0/2272.31.32.0/1972.31.64.0/1972.31.64.0/2472.31.92.0/2272.31.96.0/1972.31.115.0/2472.31.126.0/2372.31.160.0/1972.31.182.0/2372.31.192.0/2172.31.200.0/2372.31.202.0/2372.31.204.0/2372.31.206.0/2372.31.208.0/2072.31.228.0/2372.31.231.0/2472.31.232.0/2372.31.234.0/2472.31.235.0/2472.31.238.0/2372.31.238.0/2472.31.243.0/2472.184.0.0/1472.184.240.0/2172.188.0.0/1572.188.145.0/2472.189.45.0/2472.238.0.0/1574.62.168.0/2274.87.0.0/2074.218.192.0/2274.218.196.0/2374.218.198.0/2474.218.200.0/2174.219.64.0/2374.219.68.0/2274.219.72.0/2174.219.94.0/2375.112.0.0/1975.112.32.0/2075.112.48.0/2175.112.56.0/2175.112.64.0/1875.112.128.0/1975.112.160.0/2075.112.176.0/2075.112.192.0/1875.113.0.0/1675.113.64.0/1875.113.128.0/1875.113.219.0/2475.113.220.0/2375.114.0.0/1975.114.32.0/1975.114.64.0/1875.114.100.0/2475.114.129.0/2475.114.130.0/2375.114.140.0/2275.114.152.0/2175.114.160.0/1975.114.192.0/1875.115.0.0/1675.115.96.0/2175.115.253.0/2476.58.55.0/2476.58.60.0/2496.11.80.0/2196.11.88.0/2196.58.0.0/1596.58.161.0/2496.58.164.0/2296.58.176.0/2196.59.21.0/2496.59.24.0/2196.59.104.0/2196.59.172.0/2297.68.0.0/1697.69.0.0/1797.69.4.0/2297.69.32.0/2197.69.160.0/2097.69.180.0/2497.69.182.0/2497.69.183.0/2497.69.192.0/2297.69.196.0/2497.69.199.0/2497.69.208.0/2097.69.224.0/1997.70.0.0/1697.71.16.0/2097.71.32.0/1997.71.64.0/1997.71.96.0/2097.71.112.0/2197.71.120.0/2197.71.128.0/1797.71.221.0/2497.76.0.0/1697.78.0.0/1797.78.0.0/1997.78.32.0/2097.78.48.0/2097.78.64.0/1997.78.96.0/1997.78.128.0/2097.78.144.0/2097.78.160.0/1997.78.192.0/1997.78.224.0/1997.79.0.0/1797.96.0.0/1597.96.112.0/2197.97.64.0/1897.97.128.0/1897.97.192.0/1997.97.224.0/2297.97.228.0/2297.97.232.0/2197.97.248.0/2197.100.0.0/1497.101.48.0/2097.101.138.0/2397.101.142.0/2397.101.224.0/2297.102.104.0/2197.103.192.0/2197.104.0.0/1697.106.0.0/1797.106.128.0/1897.106.192.0/1898.100.16.0/2298.100.20.0/22104.136.0.0/17104.136.124.0/24104.136.128.0/18104.136.130.0/24104.136.192.0/18104.137.0.0/18104.137.64.0/18104.137.64.0/20104.137.80.0/21104.137.88.0/21104.137.114.0/23104.137.128.0/19104.137.160.0/20104.137.176.0/20104.137.192.0/19104.137.224.0/19107.144.0.0/15107.144.0.0/16107.144.192.0/18107.145.0.0/16107.145.132.0/22107.146.0.0/17107.146.128.0/18107.146.192.0/18107.147.128.0/18107.147.192.0/18108.188.0.0/14108.188.28.0/24108.189.147.0/24108.189.148.0/23108.190.130.0/23108.190.204.0/23108.191.147.0/24108.191.183.0/24108.191.240.0/23131.148.0.0/17131.148.160.0/19131.148.192.0/20142.196.0.0/15144.129.0.0/19144.129.32.0/20144.129.48.0/22144.129.52.0/22144.129.64.0/18144.129.128.0/18144.129.192.0/18150.224.0.0/22150.224.178.0/24150.224.240.0/23150.224.243.0/24150.224.245.0/24150.224.255.0/24168.148.192.0/19173.168.0.0/14173.168.20.0/22173.168.26.0/24173.168.87.0/24173.168.88.0/24173.169.96.0/21173.169.126.0/24173.198.96.0/20174.134.0.0/16174.135.0.0/17174.135.128.0/17192.61.216.0/22192.61.220.0/22192.62.160.0/19192.62.192.0/21192.62.200.0/22192.62.204.0/22192.62.208.0/23192.62.210.0/24192.62.211.0/24192.62.212.0/23198.51.167.0/24204.76.238.0/24204.76.240.0/24204.76.241.0/24204.76.242.0/24204.76.243.0/24204.76.244.0/24204.76.245.0/24209.16.112.0/20
IPv6 (61)
2602:107:4420::/442602:107:4720::/442602:107:4830::/442602:107:4b10::/442602:107:7100::/402602:107:7110::/442602:107:e700::/482603:9000::/322603:9001::/322603:9002::/322603:9003::/322603:9004::/322603:9005::/322603:9006::/322603:9007::/322603:9008::/322603:9009::/322603:900a::/322603:900b::/322603:900e::/312603:903e::/322603:903e::/482603:903e:1::/482603:903e:2::/482603:903e:3::/482603:903e:4::/482603:903e:5::/482603:903e:7::/482603:903e:8::/482603:903e:9::/482603:903e:a::/482605:a401::/482605:a401:1::/482605:a401:2::/482605:a401:3::/482605:a401:4::/482605:a401:5::/482605:a401:6::/482605:a401:7::/482605:a401:9::/482605:a401:8000::/362605:a404::/322605:a408::/322605:a40a::/322605:a40a:8000::/362605:a40a:a000::/362605:a40c::/322605:a40e::/322607:f098::/322607:f098:10ff::/482607:f098:20ff::/482607:f098:3000::/402607:f098:3100::/402607:f098:3200::/402607:f098:3300::/402607:f098:3500::/402607:f098:40ff::/482607:f098:50fe::/482607:f098:50ff::/482607:f098:6000::/402607:f098:60ff::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS33363 is reached through

The AS just before AS33363 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.

AS7843 TWC-7843-BB 55
IRR

Routing registry objects

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

Sourceas-nameMaintained by
ARINCharter-Communications-BHN-33363MNT-CC-3518
RADBCHARTER_COMMUNICATIONS-BBMAINT-RR

Route objects with origin AS33363: RADB 603 · ARIN 73 · LEVEL3 62

as-sets that list AS33363 (19)
AS-AS209-CUSTAS-CCI-TX-CUSTAS-CHTR-BBAS-CHTR-CC-3517AS-CHTR-CC-3518AS-CHTR-CC-4423AS-CHTR-CC04AS-COMPUTEARIZONAAS-COMPUTEAZAS-HURRICANEAS-HURRICANEV6AS-LEVEL3-CUSTOMERS-NAAS-LEVEL3-ORIGINS-NAAS-LUMEN-CUSTOMERS-ASNSAS-RR-BIZAS-XO-BAS199746:AS-BLACKLISTAS204464:AS-BLACKLISTAS37164:AS-ALL
Tools

Check AS33363 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup