Network · data from 2026-11-12
AS11396 TWC-ASN - Williams Information Technology LLC
Registry name: TWC-ASN - Williams Information Technology LLC, US · not in PeeringDB
34IPv4 routes
0.0% RPKI valid · 35.3% with a route object
0IPv6 routes
0RPKI invalid
0 origin · 0 maxLength
34No ROA
22 with no route object for this origin
8Low visibility
seen by under 10% of full-table peers
10Route objects not announced
registered with origin AS11396, seen from no peer
Announced routes
Every prefix a peer of the route collectors sees with origin AS11396, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 151.142.64.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.65.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.66.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.68.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.70.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.71.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 672 100% |
| 151.142.4.0/22 | No ROA | Nonecovered by 151.142.0.0/20 | 671 100% |
| 151.142.8.0/22 | No ROA | Nonecovered by 151.142.0.0/20 | 671 100% |
| 151.142.128.0/19 | No ROA | Nonecovered by 151.142.0.0/16 | 671 100% |
| 151.142.132.0/24 | No ROA | Nonecovered by 151.142.128.0/20 | 671 100% |
| 151.142.155.0/24 | No ROA | Nonecovered by 151.142.144.0/20 | 671 100% |
| 151.142.250.0/24 | No ROA | Nonecovered by 151.142.240.0/20 | 671 100% |
| 151.142.69.0/24 | No ROA | Nonecovered by 151.142.64.0/20 | 670 100% |
| 151.142.0.0/22 | No ROA | Nonecovered by 151.142.0.0/20 | 668 99% |
| 151.142.3.228/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.3.230/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.3.236/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.3.238/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.11.228/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.11.230/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.11.236/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.11.238/31 | No ROA | Nonecovered by 151.142.0.0/20 | 1 0%low visibility |
| 151.142.128.0/20 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.144.0/20 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.154.0/24 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.160.0/20 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.160.0/21 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.168.0/21 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.224.0/19 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.224.0/20 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.240.0/20 | No ROA | Other IRR onlyRADB | 671 100% |
| 151.142.251.0/24 | No ROA | Other IRR onlyRADB | 671 100% |
| 170.21.246.0/24 | No ROA | Other IRR onlyRADB | 671 100% |
| 170.21.247.0/24 | No ROA | Other IRR onlyRADB | 671 100% |
AS-SET
AS11396 isn't in PeeringDB, where networks name their AS-SET.
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 78 are in fix.csv.
- ROA: none34
- Route object: none22
- Route object: RIR12
- Route object: not announced10
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 151.142.64.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.64.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.65.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.65.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.66.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.66.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.68.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.68.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.70.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.70.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.71.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.71.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.4.0/22 | No ROA covers it. Add a ROA for AS11396, maxLength 22. |
| Route object: none | 151.142.4.0/22 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.8.0/22 | No ROA covers it. Add a ROA for AS11396, maxLength 22. |
| Route object: none | 151.142.8.0/22 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.128.0/19 | No ROA covers it. Add a ROA for AS11396, maxLength 19. |
| Route object: none | 151.142.128.0/19 | No route object for it. A route object for 151.142.0.0/16 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.132.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.132.0/24 | No route object for it. A route object for 151.142.128.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.155.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.155.0/24 | No route object for it. A route object for 151.142.144.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.250.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.250.0/24 | No route object for it. A route object for 151.142.240.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.69.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: none | 151.142.69.0/24 | No route object for it. A route object for 151.142.64.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.0.0/22 | No ROA covers it. Add a ROA for AS11396, maxLength 22. |
| Route object: none | 151.142.0.0/22 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (filters allowing more-specifics accept it). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.3.228/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.3.228/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.3.230/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.3.230/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.3.236/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.3.236/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.3.238/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.3.238/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.11.228/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.11.228/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.11.230/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.11.230/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.11.236/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.11.236/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.11.238/31 | No ROA covers it. Add a ROA for AS11396, maxLength 31. |
| Route object: none | 151.142.11.238/31 | No route object for it. A route object for 151.142.0.0/20 with origin AS11396 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS11396 in the RIR database for the space. |
| ROA: none | 151.142.128.0/20 | No ROA covers it. Add a ROA for AS11396, maxLength 20. |
| Route object: RIR | 151.142.128.0/20 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.144.0/20 | No ROA covers it. Add a ROA for AS11396, maxLength 20. |
| Route object: RIR | 151.142.144.0/20 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.154.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: RIR | 151.142.154.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.160.0/20 | No ROA covers it. Add a ROA for AS11396, maxLength 20. |
| Route object: RIR | 151.142.160.0/20 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.160.0/21 | No ROA covers it. Add a ROA for AS11396, maxLength 21. |
| Route object: RIR | 151.142.160.0/21 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.168.0/21 | No ROA covers it. Add a ROA for AS11396, maxLength 21. |
| Route object: RIR | 151.142.168.0/21 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.224.0/19 | No ROA covers it. Add a ROA for AS11396, maxLength 19. |
| Route object: RIR | 151.142.224.0/19 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.224.0/20 | No ROA covers it. Add a ROA for AS11396, maxLength 20. |
| Route object: RIR | 151.142.224.0/20 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.240.0/20 | No ROA covers it. Add a ROA for AS11396, maxLength 20. |
| Route object: RIR | 151.142.240.0/20 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 151.142.251.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: RIR | 151.142.251.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 170.21.246.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: RIR | 170.21.246.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 170.21.247.0/24 | No ROA covers it. Add a ROA for AS11396, maxLength 24. |
| Route object: RIR | 170.21.247.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS11396 whose prefix no peer sees AS11396 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 151.142.0.0/16 | RADB | No ROA |
| 151.142.0.0/20 | RADB | No ROA |
| 151.142.64.0/20 | RADB | No ROA |
| 151.142.176.0/21 | RADB | No ROA |
| 151.142.184.0/21 | RADB | No ROA |
| 151.142.192.0/19 | RADB | No ROA |
| 161.245.0.0/16 | RADB | No ROA |
| 170.21.0.0/16 | RADB | No ROA |
| 2620:185::/36 | RADB | No ROA |
| 2620:185:40::/44 | RADB | No ROA |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.