AS7843 TWC-7843-BB - Charter Communications Inc
πΊπΈARINassigned
Announced Prefixes (BGP)
264total
250 IPv414 IPv6
IPv4 Addresses
Allocated (RIR)1.9M
Announced (BGP)2.4M
IPv6 Addresses
Allocated (RIR)2.3Γ10Β²βΉ
Announced (BGP)4.7Γ10Β²βΉ
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
50
Country
πΊπΈ USRIR
ARINStatus
assigned
Allocated
1997-01-23
Routing hygiene
Score 39/100 Β· Medium riskRPKI ROA coverage
63.6%
65 prefixes RPKI invalid
IRR route objects
58%
55 prefixes registered for another origin
Hijack signals
43
4 announced against others' ROAs, 39 own announced by others
Upstreams
8
diversity 74/100
- 36% of announced prefixes (96 of 264) have no valid ROA, 65 of them RPKI invalid
- Announces 4 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 42% of announced prefixes (111 of 264) have no IRR route object for this ASN
- 39 prefixes of this ASN announced by another network against its ROAs
Based on 264 announced prefixes, updated daily (2026-10-24). How the score works Β· RPKI explained
Announced Prefixes
(BGP)264|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRRRIPE | 2026-10-27 | |
| Valid | Other IRRRIPE | 2026-10-27 | |
| Valid | Other IRRRIPE | 2026-10-27 | |
| Valid | Other IRRRIPE | 2026-10-27 | |
| Valid | Other IRRRIPE | 2026-10-27 | |
| Valid | Other IRRRIPE | 2026-10-27 | |
16.14.224.0/22MOAS | Valid | ARIN | 2026-10-27 |
16.14.228.0/22MOAS | Valid | ARIN | 2026-10-27 |
16.14.228.0/24MOAS | Valid | ARIN | 2026-10-27 |
16.14.229.0/24MOAS | Valid | ARIN | 2026-10-27 |
1-10 of 264
1 / 27
Allocated Prefixes
(RIR)45Prefix | Country | RIR | Status |
|---|---|---|---|
| 9.236.0.0/16 | πΊπΈ US | RIPENCC | assigned |
| 24.92.0.0/17 | πΊπΈ US | ARIN | allocated |
| 45.11.10.0/24 | πΊπΈ US | RIPE | assigned |
| 45.13.180.0/24 | πΊπΈ US | RIPE | assigned |
| 45.14.180.0/24 | πΊπΈ US | RIPE | assigned |
| 45.14.216.0/24 | πΊπΈ US | RIPE | assigned |
| 45.137.119.0/24 | πΊπΈ US | RIPE | assigned |
| 66.61.0.0/16 | πΊπΈ US | ARIN | allocated |
| 66.109.0.0/20 | πΊπΈ US | ARIN | allocated |
| 71.64.0.0/12 | πΊπΈ US | ARIN | allocated |
1-10 of 45
1 / 5
All 264 announced prefixes of AS7843 β
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS11185 | πΊπΈDREAMHACK - DreamHack Inc |
BGP Neighbours
(seen in AS paths)Upstreams (8)
Networks AS7843 hands its own prefixes to: transit providers, or peers at an exchange.
- AS6939Hurricane Electric92
- AS1299TWELVE99 Arelion Sweden AB70
- AS20115Charter Communications61
- AS12956TELXIUS TELEFONICA GLOBAL SOLUTIONS SL36
- AS58453China Mobile International Limited2
- AS2516KDDI CORPORATION1
- AS6830LibertyGlobal Liberty Global Europe Holding B.V1
- AS8966Etisalat EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC1
Downstreams (31)
Networks whose own prefixes AS7843 passes on: usually its customers.
- AS10796Charter Communications703
- AS20001Charter Communications635
- AS33363Charter Communications538
- AS11427Charter Communications438
- AS11426Charter Communications239
- AS11351Charter Communications154
- AS22516Charter Communications125
- AS12271Charter Communications124
- AS16787Charter Communications83
- AS10838Charter Communications69
- AS11955Charter Communications41
- AS40294Charter Communications24
- AS14135Navisite Opco23
- AS8052Charter Communications22
- AS3456Charter Communications11
- AS13343Charter Communications11
- AS14065Charter Communications8
- AS17054Expedient8
- AS18461Verizon Business7
- AS22677Charter Communications5
- AS7224Amazon.Com4
- AS4544Navisite Opco3
- AS23222Charter Communications3
- AS30051Santa Clara County3
- AS395120Ashley Furniture Industries2
- AS401475CIGIE2
- AS2906Netflix Streaming Services1
- AS9304HGC Global Communications Limited1
- AS26660Clayco1
- AS33588Charter Communications1
- AS397749McLaren Macomb1
Other adjacent networks (9)
Adjacent to AS7843 in the transit part of AS paths: peers, providers or customers.
Transfer History
Registry transfers of AS7843 between organisations.
- AS7843M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS7843 | Time Warner Cable Internet LLC | Charter Communications Inc | M&A |
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/7843Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/7843" | jq