Network · data from 2026-11-12
AS213671 The 4th Utility
Registry name: FOURTHUTILITY-AS Vision Fibre Media Ltd., GB · PeeringDB
43IPv4 routes
79.1% RPKI valid · 100.0% with a route object
3IPv6 routes
100.0% RPKI valid · 100.0% with a route object
0RPKI invalid
0 origin · 0 maxLength
9No ROA
0 with no route object for this origin
7Low visibility
seen by under 10% of full-table peers
6Route objects not announced
registered with origin AS213671, seen from no peer
Announced routes
Every prefix a peer of the route collectors sees with origin AS213671, 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.
| 149.5.59.0/24 | No ROA | Other IRR onlyRADB | 669 99% |
| 149.13.184.0/24 | No ROA | Other IRR onlyRADB | 669 99% |
| 154.47.7.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.80.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.81.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.84.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.85.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.86.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 154.51.87.0/24 | No ROA | Other IRR onlyRADB | 667 99% |
| 82.129.8.0/24 | Valid | Other IRR onlyRADB | 673 100% |
| 149.119.0.0/24 | Valid | Other IRR onlyRADB | 673 100% |
| 149.119.1.0/24 | Valid | Other IRR onlyRADB | 673 100% |
| 149.119.2.0/24 | Valid | Other IRR onlyRADB | 673 100% |
| 149.119.3.0/24 | Valid | Other IRR onlyRADB | 673 100% |
| 38.49.104.0/24 | Valid | Other IRR onlyRADB | 672 100% |
| 81.2.136.0/24 | Valid | Other IRR onlyRADB | 669 99% |
| 81.2.137.0/24 | Valid | Other IRR onlyRADB | 669 99% |
| 81.2.138.0/24 | Valid | Other IRR onlyRADB | 669 99% |
| 81.2.139.0/24 | Valid | Other IRR onlyRADB | 669 99% |
| 213.146.161.0/24 | Valid | Other IRR onlyRADB | 667 99% |
| 81.2.140.0/24 | Valid | Other IRR onlyRADB | 666 99% |
| 81.2.141.0/24 | Valid | Other IRR onlyRADB | 666 99% |
| 38.49.105.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.106.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.107.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.108.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.109.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.110.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 38.49.111.0/24 | Valid | Other IRR onlyRADB | 1 0%low visibility |
| 192.48.111.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 38.44.104.0/24 | Valid | RIR databaseARIN | 669 99% |
| 38.44.105.0/24 | Valid | RIR databaseARIN | 669 99% |
| 38.44.106.0/24 | Valid | RIR databaseARIN | 669 99% |
| 38.44.107.0/24 | Valid | RIR databaseARIN | 669 99% |
| 95.142.148.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.32.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.33.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.34.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.35.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.36.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.37.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.38.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 150.237.39.0/24 | Valid | RIR databaseRIPE | 669 99% |
| 2a05:b100:1000::/36 | Valid | RIR databaseRIPE | 634 100% |
| 2a05:b100:2000::/36 | Valid | RIR databaseRIPE | 634 100% |
| 2a05:b100:3000::/36 | Valid | RIR databaseRIPE | 634 100% |
AS-SET
PeeringDB's irr_as_set for AS213671: AS213671:AS-FOURTHUTILITY. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS213671 isn't in the set, or no route object for AS213671 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.
| Name | Database | ASNs | Sets | AS213671 in it | Not covered |
|---|---|---|---|---|---|
| AS213671:AS-FOURTHUTILITY | RIPE | 1 | 1 | Yes | 0 |
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 44 are in fix.csv.
- ROA: none9
- Route object: RIR29
- Route object: not announced6
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 149.5.59.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 149.5.59.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 149.13.184.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 149.13.184.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.47.7.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.47.7.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.80.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.80.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.81.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.81.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.84.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.84.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.85.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.85.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.86.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.86.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| ROA: none | 154.51.87.0/24 | No ROA covers it. Add a ROA for AS213671, maxLength 24. |
| Route object: RIR | 154.51.87.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 82.129.8.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 149.119.0.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 149.119.1.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 149.119.2.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 149.119.3.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.104.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.136.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.137.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.138.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.139.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 213.146.161.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.140.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 81.2.141.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.105.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.106.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.107.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.108.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.109.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.110.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
| Route object: RIR | 38.49.111.0/24 | Route object only in RADB. Add it in the RIR database for the space. |
Route objects not announced
Route objects with origin AS213671 whose prefix no peer sees AS213671 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 38.49.104.0/21 | ARIN | Valid |
| 149.119.0.0/22 | ARIN | Valid |
| 150.237.32.0/21 | RIPE | Valid |
| 154.51.80.0/23 | RADB | No ROA |
| 154.51.84.0/23 | RADB | No ROA |
| 154.51.86.0/23 | 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.