Routing security
AS13205 BTWWIDC-H Autonomous System
Unclassified RIPE
Announcements
What this network originates
Every prefix observed with AS13205 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 31.11.56.0/23 | No ROA | IRR | 51 |
| 78.109.0.0/20 | No ROA | IRR | 51 |
| 78.109.0.0/24 | No ROA | IRR | 51 |
| 78.109.5.0/24 | No ROA | IRR | 51 |
| 78.109.6.0/24 | No ROA | IRR | 51 |
| 78.109.7.0/24 | No ROA | IRR | 51 |
| 78.109.9.0/24 | No ROA | IRR | 51 |
| 78.109.10.0/24 | No ROA | IRR | 51 |
| 78.109.11.0/24 | No ROA | IRR | 51 |
| 217.140.0.0/20 | No ROA | IRR | 51 |
| 217.140.12.0/22 | No ROA | IRR | 51 |
| 217.140.12.0/24 | No ROA | IRR | 51 |
| 217.140.13.0/24 | No ROA | IRR | 51 |
| 217.140.32.0/19 | No ROA | IRR | 52 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS13205 may originate these prefixes, up to the maximum length shown.
No ROA names this AS as an authorised origin.
ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.
RPKI · ASPA
Declared transit providers
No ASPA record This network has not published an ASPA object. ASPA lets a network sign the list of its transit providers, so routers can reject paths that route through anyone else (route leaks). Only a few thousand networks publish one so far, so its absence is normal.
IRR
Registered route objects
Route objects naming AS13205 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.
| Prefix | Source | Description | Maintainer | Changed | Routing |
|---|---|---|---|---|---|
| 31.11.58.0/24 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2014-05-15 | Not announced |
| 78.109.0.128/25 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2014-06-16 | Not announced |
| 78.109.1.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2007-11-15 | Not announced |
| 78.109.2.0/24 | RIPE | BT Global Services-Atlantic Telecom - Hempoint DC | ICH-MNT | 2009-02-20 | Not announced |
| 78.109.3.0/24 | RIPE | BT Global Services-Atlantic Telecom - Hempoint DC | ICH-MNT | 2009-02-20 | Not announced |
| 78.109.4.0/24 | RIPE | BT Global Services-Atlantic Telecom - Hempoint DC | ICH-MNT | 2009-04-08 | Not announced |
| 78.109.5.64/26 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2014-06-16 | Not announced |
| 78.109.8.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2014-01-10 | Not announced |
| 78.109.12.0/24 | RIPE | BT GSs DCS Nieuwegein Hosting Centre | ICH-MNT | 2010-07-02 | Not announced |
| 78.109.13.0/24 | RIPE | BT GSs DCS Nieuwegein Hosting Centre | ICH-MNT | 2009-05-19 | Not announced |
| 78.109.14.0/24 | RIPE | BT Global Services DCS Nieuwegein Hosting Centre | ICH-MNT | 2007-11-15 | Not announced |
| 78.109.15.0/24 | RIPE | BT Global Services DCS Nieuwegein Hosting Centre | ICH-MNT | 2007-11-15 | Not announced |
| 91.208.37.0/24 | RIPE | KOMATSU | CIP-MNT | 2024-11-14 | Not announced |
| 192.31.31.0/24 | RIPE | — | BTNET-MNT | 2023-08-14 | Not announced |
| 192.65.153.0/24 | RIPE | — | BTNET-MNT | 2023-06-13 | Not announced |
| 193.177.184.0/24 | RIPE | Route for customer Wavin from BT DCS Utrecht Hosting Centres | ICH-MNT | 2008-01-21 | Not announced |
| 193.177.185.0/24 | RIPE | For customer Wavin from BT DCS Utrecht Hosting Centres | ICH-MNT | 2013-03-01 | Not announced |
| 194.26.68.0/24 | RIPE | PTT POST LOGISTICS | CIP-MNT | 2014-06-04 | Not announced |
| 194.107.114.0/24 | RIPE | Ceva-Logistics-Hosted-access | ICH-MNT | 2024-10-30 | Not announced |
| 217.140.0.0/21 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2005-11-17 | Not announced |
| 217.140.7.0/24 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2007-03-27 | Not announced |
| 217.140.8.0/23 | RIPE | BT Global Services Hempoint-DCS for TELFORT-APN | ICH-MNT | 2006-03-22 | Not announced |
| 217.140.10.0/24 | RIPE | BT Global Services Hempoint-DCS for TELFORT-APN | ICH-MNT | 2006-03-22 | Not announced |
| 217.140.11.0/24 | RIPE | BT DCS Utrecht Hosting Centres | ICH-MNT | 2010-08-24 | Not announced |
| 217.140.14.0/24 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2017-10-24 | Not announced |
| 217.140.15.0/24 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2017-10-24 | Not announced |
| 217.140.16.0/20 | RIPE | BT Global Services DCS | ICH-MNT | 2023-11-20 | Not announced |
| 217.140.24.0/23 | RIPE | BT Global Services Madrid GS-VDC | ICH-MNT | 2010-11-15 | Not announced |
| 217.140.56.0/23 | RIPE | BT Datacentre Omninet | ICH-MNT | 2008-11-27 | Not announced |
| 31.11.56.0/23 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2012-06-25 | Announced |
| 78.109.0.0/20 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2007-07-19 | Announced |
| 78.109.0.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2014-09-04 | Announced |
| 78.109.5.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2014-09-04 | Announced |
| 78.109.6.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2010-07-01 | Announced |
| 78.109.7.0/24 | RIPE | BT Global Services DCS Hempoint Hosting Centre | ICH-MNT | 2014-01-10 | Announced |
| 78.109.9.0/24 | RIPE | BT Global Services DCS Utrecht Hosting Centres | ICH-MNT | 2014-07-08 | Announced |
| 78.109.10.0/24 | RIPE | BT DCS Nieuwegein Hosting Centre | ICH-MNT | 2010-08-24 | Announced |
| 78.109.11.0/24 | RIPE | BT GSs DCS Nieuwegein Hosting Centre | ICH-MNT | 2010-07-01 | Announced |
| 217.140.0.0/20 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2021-01-04 | Announced |
| 217.140.12.0/22 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2005-11-17 | Announced |
| 217.140.12.0/24 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2017-10-24 | Announced |
| 217.140.13.0/24 | RIPE | BT Global Services DCS Amsterdam | ICH-MNT | 2017-10-24 | Announced |
| 217.140.32.0/19 | RIPE | BT Global Services DCS Cardiff Bay Data Centre | ICH-MNT | 2005-11-17 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS13205 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-BT-NL | RIPE | Lists AS13205 as a direct member |
AS-BTGB-CUST | RIPE | Lists AS13205 as a direct member |
AS-BTIGSCUSTES | RIPE | Lists AS13205 as a direct member |
AS-BTTEL6 | RIPE | Lists AS13205 as a direct member |
RPKI from rpki-client, validated 2026-10-24 12:14 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-24. Cross-check on bgp.he.net.