AS11427 TWC-11427-TEXAS - Charter Communications Inc
🇺🇸ARINassigned
Announced Prefixes (BGP)
445total
428 IPv417 IPv6
IPv4 Addresses
Allocated (RIR)853,248
Announced (BGP)6.0M
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)4.2×10³⁰
Routing hygiene
Score 18/100 · Low riskRPKI ROA coverage
93.5%
18 prefixes RPKI invalid
IRR route objects
94.6%
13 prefixes registered for another origin
Hijack signals
9
0 announced against others' ROAs, 9 own announced by others
Upstreams
2
diversity 3/100
- Routes concentrated on one upstream (98% of routes)
- 7% of announced prefixes (29 of 445) have no valid ROA, 18 of them RPKI invalid
Based on 445 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)445|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | ARIN | - | |
| Invalid | - | - | |
| Invalid | - | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - |
1-10 of 445
1 / 45
Allocated Prefixes
(RIR)23Prefix | Country | RIR | Status |
|---|---|---|---|
| 24.31.32.0/19 | 🇺🇸 US | ARIN | allocated |
| 24.55.0.0/18 | 🇺🇸 US | ARIN | allocated |
| 24.153.128.0/17 | 🇺🇸 US | ARIN | allocated |
| 24.170.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 24.227.128.0/17 | 🇺🇸 US | ARIN | allocated |
| 24.242.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 50.84.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 66.37.160.0/19 | 🇺🇸 US | ARIN | allocated |
| 66.68.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 76.184.0.0/14 | 🇺🇸 US | ARIN | allocated |
1-10 of 23
1 / 3
All 445 announced prefixes of AS11427 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS3834 | 🇺🇸PTNET - PT Networking, LLC |
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS11427 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (100 of 118)
Networks whose own prefixes AS11427 passes on: usually its customers.
- AS19115Charter Communications22
- AS3709City Of San Antonio18
- AS30175EPICOR17
- AS397360Texas State Technical College Harlingen13
- AS47050Texas A&M International University11
- AS19157Charter Communications7
- AS20231Charter Communications7
- AS14381Caterpillar6
- AS18961McLane Company6
- AS38191Infosys Technologies6
- AS13380Zix Corporation5
- AS22391Bexar County Information Technology5
- AS36097Nugget Enterprises5
- AS40615University Health System5
- AS22945Parkland Health & Hospital System4
- AS26958Oncor Electric Delivery Company4
- AS53629THE CITY NATIONAL BANK OF TAYLOR4
- AS55103Thin Nology4
- AS393359Security Service Federal Credit Union4
- AS11394City Of Richardson3
- AS17327Texas State Technical College At Waco3
- AS19681Networkitects3
- AS36339SMART CITY NETWORKS, LIMITED PARTNERSHIP3
- AS36523Farm Credit Bank Of Texas3
- AS40656Communications Etc3
- AS46549Global Virtual Opportunities3
- AS53759Visual Net Design LC3
- AS63039Spok3
- AS395066Digital Technology Group3
- AS2003Electric Power Research Institute2
- AS3834PT Networking2
- AS17025Zayo Bandwidth2
- AS19773Motorola2
- AS21885McLane Advanced Technologies2
- AS22344ABC Supply2
- AS23302South Texas College2
- AS33683University Of The Incarnate Word2
- AS40910Baylor Health Care System2
- AS53293Samsung Austin Semiconductor2
- AS53368Austin Energy Corporation2
- AS393638City Of Mesquite Texas2
- AS393837VERONA NETWORKS2
- AS4354UNIVERSAL HEALTH SERVICES1
- AS6481Southwest Research Institute1
- AS7838United Services Automobile Association1
- AS11755Andrews Distributing Company Of North Texas1
- AS11865El Paso Electric1
- AS13554Tenaska Power Services1
- AS13581SHI International1
- AS13939Southwest Texas Junior College1
- AS13992SailPoint Technologies1
- AS14416Internet De Nuevo Laredo, S.A De C.V1
- AS14617Select Medical Corporation1
- AS16037TETRAPAK AB Tetra Pak1
- AS16394Killeen ISD1
- AS16886H E B, LP1
- AS17291McMillin Texas Homes1
- AS18521American Campus Communities1
- AS18645UMHB1
- AS18674Frost Bank1
- AS18937National Monitoring Center1
- AS19945Granbury Independent School District1
- AS20251SolarWinds North America1
- AS21569Dallas Baptist University1
- AS21696City Of Murphy1
- AS22138Farm To Market Broadband, LP1
- AS22718Brownsville Public Utilities Board1
- AS23371CAE USA1
- AS25699Wilsonart International1
- AS30270Inova Data Solutions1
- AS32520Diebold Nixdorf, Incorporated1
- AS35858ATMOS ENERGY1
- AS36010Randolph Brooks Federal Credit Union1
- AS36456Velocity Credit Union1
- AS36748St. Edwards University1
- AS40330Lone Star National Bank1
- AS40636ROCKWELL AUTOMATION1
- AS40842American National Bank1
- AS40852Security Service Federal Credit Union1
- AS46511UNIVERSAL HEALTH SERVICES1
- AS46884ServiceLink Holdings1
- AS53396STRAC1
- AS53533Entravision Communications Corporation1
- AS54006VTX Communications1
- AS54089Operational Technologies Corporation1
- AS54201We Link Networks1
- AS54222City Of Cedar Park1
- AS54426Texas Organ Sharing Alliance1
- AS54710IN N OUT BURGERS1
- AS63148Quick Technologies1
- AS63387-1
- AS63402Universal Orlando1
- AS393352CITY OF LAREDO1
- AS393533SECURITY WIRELESS & TECHNOLOGY L.L.C1
- AS393703IDEA Public Schools1
- AS393756Texanscu1
- AS393849Palos Garza Forwarding1
- AS393859Mission Valley Communications1
- AS394065Essensys1
- AS394796City Of Midlothian1
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/11427Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/11427" | jq