asn.dev

Routing security

AS205544 LEASEWEB-UK-LON-11

Hosting RIPE

RPKI valid 100% 96 of 96 announcements
RPKI invalid 0 none
No ROA 0 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 103 authorising this AS

Announcements

What this network originates

96 observed

Every prefix observed with AS205544 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
2a0d:3000::/32RPKI validIRR31
2a0d:3001::/32RPKI validIRR31
2a0d:3002::/32RPKI validIRR31
2a0d:3003::/32RPKI validIRR31
2a0d:3004::/32RPKI validIRR31
2a0f:2a40::/29RPKI validIRR31
2a0f:2dc0::/29RPKI validIRR31
2a0f:2e40::/29RPKI validIRR31
2a0f:30c0::/29RPKI validIRR31
2a0f:1540::/29RPKI validIRR31
2a0f:1640::/29RPKI validIRR31
2a0f:1940::/29RPKI validIRR31
2a0f:2840::/29RPKI validIRR31
2a0f:2940::/29RPKI validIRR31
2a0f:3140::/29RPKI validIRR31
2a0f:3540::/29RPKI validIRR31
2a0f:3740::/29RPKI validIRR31
2a0f:e440::/29RPKI validIRR31
2a04:88c4::/32RPKI validIRR31
2a04:88c6::/32RPKI validIRR31
2a11:3240::/29RPKI validIRR31
2a11:4800::/29RPKI validIRR31
2a11:8700::/29RPKI validIRR31
2a11:e580::/29RPKI validIRR31
2a12:3f00::/29RPKI validIRR31
2a12:4b00::/29RPKI validIRR31
2a12:5900::/29RPKI validIRR31
2a12:cd00::/29RPKI validIRR31
23.19.52.0/24RPKI validIRR3
23.19.53.0/24RPKI validIRR3
23.19.56.0/21RPKI validIRR52
23.19.56.0/24RPKI validIRR52
23.19.59.0/24RPKI validIRR52
23.19.62.0/24RPKI validIRR52
23.81.32.0/21RPKI validIRR52
23.106.32.0/21RPKI validIRR52
23.106.56.0/21RPKI validIRR52
23.106.232.0/21RPKI validIRR52
31.58.18.0/24RPKI validIRR52
31.58.22.0/24RPKI validIRR52
31.58.28.0/24RPKI validIRR52
31.58.32.0/24RPKI validIRR52
31.59.15.0/24RPKI validIRR52
31.59.20.0/24RPKI validIRR52
31.59.21.0/24RPKI validIRR52
31.59.27.0/24RPKI validIRR52
31.59.28.0/24RPKI validIRR52
31.59.33.0/24RPKI validIRR52
37.44.216.0/22RPKI validIRR52
38.246.186.0/23RPKI validIRR52
38.253.124.0/23RPKI validIRR52
45.153.20.0/24RPKI validIRR52
81.17.56.0/21RPKI validIRR52
81.17.56.0/22RPKI validIRR52
81.17.60.0/24RPKI validIRR52
81.17.61.0/24RPKI validIRR52
81.17.62.0/24RPKI validIRR52
81.17.63.0/24RPKI validIRR52
82.38.198.0/24RPKI validIRR52
82.41.197.0/24RPKI validIRR52
82.113.64.0/19RPKI validIRR52
92.249.32.0/22RPKI validIRR52
95.168.176.0/20RPKI validIRR52
95.168.176.0/21RPKI validIRR52
95.168.184.0/24RPKI validIRR52
95.168.185.0/24RPKI validIRR52
95.168.186.0/23RPKI validIRR52
95.168.186.0/24RPKI validIRR52
95.168.187.0/24RPKI validIRR52
95.168.188.0/22RPKI validIRR52
173.208.48.0/21RPKI validIRR52
173.234.16.0/21RPKI validIRR52
173.234.16.0/24RPKI validIRR52
173.234.17.0/24RPKI validIRR52
173.234.18.0/23RPKI validIRR52
173.234.18.0/24RPKI validIRR52
173.234.19.0/24RPKI validIRR52
173.234.20.0/23RPKI validIRR52
173.234.22.0/23RPKI validIRR52
173.234.72.0/21RPKI validIRR52
173.234.136.0/21RPKI validIRR52
176.113.64.0/22RPKI validIRR52
185.70.240.0/24RPKI validIRR52
185.70.241.0/24RPKI validIRR52
185.70.242.0/23RPKI validIRR52
185.222.24.0/22RPKI validIRR52
185.222.24.0/24RPKI validIRR52
185.236.92.0/22RPKI validIRR52
185.245.124.0/22RPKI validIRR52
193.160.76.0/22RPKI validIRR52
194.56.232.0/24RPKI validIRR52
212.24.127.0/24RPKI validIRR51
212.135.128.0/24RPKI validIRR52
2001:1b88::/32RPKI validIRR31
2607:f5b5:2::/48RPKI validIRR2
2607:f5b5:3::/48RPKI validIRR2

RPKI · ROAs

Route origin authorisations

103 ROAs

Signed statements by address holders that AS205544 may originate these prefixes, up to the maximum length shown.

PrefixMax lengthTrust anchor
23.19.52.0/24/24ARIN
23.19.53.0/24/24ARIN
23.19.56.0/21/24RIPENCC
23.19.56.0/24/24RIPENCC
23.19.59.0/24/24RIPENCC
23.19.62.0/24/24RIPENCC
23.81.32.0/21/21RIPENCC
23.106.32.0/21/21RIPENCC
23.106.56.0/21/21RIPENCC
23.106.232.0/21/21RIPENCC
31.58.18.0/24/24RIPENCC
31.58.22.0/24/24RIPENCC
31.58.28.0/24/24RIPENCC
31.58.32.0/24/24RIPENCC
31.59.15.0/24/24RIPENCC
31.59.20.0/24/24RIPENCC
31.59.21.0/24/24RIPENCC
31.59.27.0/24/24RIPENCC
31.59.28.0/24/24RIPENCC
31.59.33.0/24/24RIPENCC
37.44.216.0/22/22RIPENCC
38.246.186.0/23/23ARIN
38.253.124.0/23/23ARIN
45.153.20.0/24/24RIPENCC
81.17.56.0/21/24RIPENCC
81.17.56.0/22/22RIPENCC
81.17.60.0/24/24RIPENCC
81.17.61.0/24/24RIPENCC
81.17.62.0/24/24RIPENCC
81.17.63.0/24/24RIPENCC
82.38.198.0/24/24RIPENCC
82.41.197.0/24/24RIPENCC
82.113.64.0/19/19RIPENCC
92.249.32.0/22/22RIPENCC
95.168.176.0/20/24RIPENCC
95.168.176.0/21/21RIPENCC
95.168.184.0/24/24RIPENCC
95.168.185.0/24/24RIPENCC
95.168.186.0/23/23RIPENCC
95.168.186.0/24/24RIPENCC
95.168.187.0/24/24RIPENCC
95.168.188.0/22/22RIPENCC
103.173.197.0/24/24APNIC
173.208.48.0/21/21RIPENCC
173.234.16.0/21/24RIPENCC
173.234.16.0/24/24RIPENCC
173.234.17.0/24/24RIPENCC
173.234.18.0/23/23RIPENCC
173.234.18.0/24/24RIPENCC
173.234.19.0/24/24RIPENCC
173.234.20.0/23/23RIPENCC
173.234.22.0/23/23RIPENCC
173.234.72.0/21/21RIPENCC
173.234.136.0/21/21RIPENCC
176.113.64.0/22/22RIPENCC
185.70.240.0/24/24RIPENCC
185.70.241.0/24/24RIPENCC
185.70.242.0/23/23RIPENCC
185.222.24.0/22/24RIPENCC
185.222.24.0/24/24RIPENCC
185.236.92.0/22/22RIPENCC
185.245.124.0/22/22RIPENCC
193.160.76.0/22/22RIPENCC
194.56.232.0/24/24RIPENCC
212.24.127.0/24/24RIPENCC
212.135.128.0/24/24RIPENCC
2001:1b88::/32/32RIPENCC
2607:f5b5:2::/48/48ARIN
2607:f5b5:3::/48/48ARIN
2a04:88c4::/30/30RIPENCC
2a04:88c4::/32/32RIPENCC
2a04:88c6::/32/32RIPENCC
2a09:17c0:b19a::/48/48RIPENCC
2a0d:3000::/32/32RIPENCC
2a0d:3001::/32/32RIPENCC
2a0d:3002::/32/32RIPENCC
2a0d:3003::/32/32RIPENCC
2a0d:3004::/32/32RIPENCC
2a0e:1a83:88::/48/48RIPENCC
2a0f:1206:77::/48/48RIPENCC
2a0f:1540::/29/29RIPENCC
2a0f:1640::/29/29RIPENCC
2a0f:1940::/29/29RIPENCC
2a0f:2840::/29/29RIPENCC
2a0f:2940::/29/29RIPENCC
2a0f:2a40::/29/29RIPENCC
2a0f:2dc0::/29/29RIPENCC
2a0f:2e40::/29/29RIPENCC
2a0f:30c0::/29/29RIPENCC
2a0f:3140::/29/29RIPENCC
2a0f:3540::/29/29RIPENCC
2a0f:3740::/29/29RIPENCC
2a0f:e1c7:100::/48/48RIPENCC
2a0f:e202:97::/48/48RIPENCC
2a0f:e440::/29/29RIPENCC
2a11:3240::/29/29RIPENCC
2a11:4800::/29/29RIPENCC
2a11:8700::/29/29RIPENCC
2a11:e580::/29/29RIPENCC
2a12:3f00::/29/29RIPENCC
2a12:4b00::/29/29RIPENCC
2a12:5900::/29/29RIPENCC
2a12:cd00::/29/29RIPENCC

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

118 objects · 8 not announced

Route objects naming AS205544 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.

PrefixSourceDescriptionMaintainerChangedRouting
103.173.197.0/24APNICRoute ObjectMAINT-IN-QSPACE2025-12-14Not announced
185.70.240.0/22RIPE—CCE-MNTNER2026-10-02Not announced
2a0d:3000::/29RIPE—LEASEWEB-NL-MNT2017-09-22Not announced
2a0e:1a83:88::/48RIPE—SC-RAPIDSEEDBOX-1-MNT2025-08-27Not announced
2a0f:1206:77::/48RIPE—SC-RAPIDSEEDBOX-1-MNT2024-08-29Not announced
2a0f:e1c7:100::/48RIPE—SC-RAPIDSEEDBOX-1-MNT2024-08-29Not announced
2a0f:e202:97::/48RIPE—SC-RAPIDSEEDBOX-1-MNT2024-08-29Not announced
2a13:c700:1::/48RIPE—SC-RAPIDSEEDBOX-1-MNT2023-11-23Not announced
23.19.52.0/24ARINMNT-NTGL route 023.019.052.000/24 AS205544MNT-LU2021-02-15Announced
23.19.53.0/24ARINMNT-NTGL route 023.019.053.000/24 AS205544MNT-LU2021-02-15Announced
23.19.56.0/21RIPE—LEASEWEB-UK-MNT2019-01-31Announced
23.19.56.0/24RIPE—LEASEWEB-UK-MNT2021-10-13Announced
23.19.59.0/24RIPE—LEASEWEB-UK-MNT2021-10-13Announced
23.19.62.0/24RIPE—LEASEWEB-UK-MNT2024-11-27Announced
23.81.32.0/21RIPE—LEASEWEB-UK-MNT2024-12-17Announced
23.106.32.0/21RIPE—LEASEWEB-UK-MNT2024-08-06Announced
23.106.56.0/21RIPE—LEASEWEB-UK-MNT2019-08-28Announced
23.106.232.0/21RIPE—LEASEWEB-UK-MNT2019-08-28Announced
31.58.18.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.58.18.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.58.22.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.58.22.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.58.28.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.58.28.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.58.32.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.58.32.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.15.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.15.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.20.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.20.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.21.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.21.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.27.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.27.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.28.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.28.0/24RIPE—NETUTILS-MNT2025-02-12Announced
31.59.33.0/24RADBautogenMAINT-AS8342024-10-16Announced
31.59.33.0/24RIPE—NETUTILS-MNT2025-02-12Announced
37.44.216.0/22RIPE—MNT-US-BAHIA-12024-10-16Announced
38.246.186.0/23ARINRoute Registered for Cogent Communications Customer - Greenhill Technologies INCMNT-COGC2026-09-04Announced
38.253.124.0/23ARINRoute Registered for Cogent Communications Customer - Greenhill Technologies INCMNT-COGC2026-09-04Announced
45.153.20.0/24RIPE—SC-RAPIDSEEDBOX-1-MNT2026-02-12Announced
81.17.56.0/21RIPE—LEASEWEB-UK-MNT2018-07-10Announced
81.17.56.0/22RIPE—LEASEWEB-UK-MNT2020-08-03Announced
81.17.60.0/24RIPE—LEASEWEB-UK-MNT2019-10-15Announced
81.17.61.0/24RIPE—LEASEWEB-UK-MNT2020-08-03Announced
81.17.62.0/24RIPE—LEASEWEB-UK-MNT2020-08-03Announced
81.17.63.0/24RIPE—LEASEWEB-UK-MNT2020-08-03Announced
82.38.198.0/24RADBautogenMAINT-AS8342026-04-02Announced
82.38.198.0/24RIPE—NETUTILS-MNT2026-04-02Announced
82.41.197.0/24RADBautogenMAINT-AS8342026-04-06Announced
82.41.197.0/24RIPE—NETUTILS-MNT2026-04-06Announced
82.113.64.0/19RIPEAnnounced by Leaseweb (AS205544) on behalf of prefix ownerMCOMWIFI-MNT2025-11-21Announced
92.249.32.0/22RIPE—MNT-US-ULTRA-12024-10-16Announced
95.168.176.0/20RIPE—LEASEWEB-UK-MNT2018-07-10Announced
95.168.176.0/21RIPE—LEASEWEB-UK-MNT2020-08-03Announced
95.168.184.0/24RIPE—LEASEWEB-UK-MNT2019-10-15Announced
95.168.185.0/24RIPE—LEASEWEB-UK-MNT2020-08-03Announced
95.168.186.0/23RIPE—LEASEWEB-UK-MNT2020-08-03Announced
95.168.186.0/24RIPE—LEASEWEB-UK-MNT2024-11-28Announced
95.168.187.0/24RIPE—LEASEWEB-UK-MNT2024-11-28Announced
95.168.188.0/22RIPE—LEASEWEB-UK-MNT2020-08-03Announced
173.208.48.0/21RIPE—LEASEWEB-UK-MNT2022-04-07Announced
173.234.16.0/21RIPE—LEASEWEB-UK-MNT2019-08-28Announced
173.234.16.0/24RIPE—LEASEWEB-UK-MNT2021-03-16Announced
173.234.17.0/24RIPE—LEASEWEB-UK-MNT2021-10-18Announced
173.234.18.0/23RIPE—FBX-MNT2022-01-17Announced
173.234.18.0/24RIPE—LEASEWEB-UK-MNT2024-11-28Announced
173.234.19.0/24RIPE—LEASEWEB-UK-MNT2022-01-21Announced
173.234.20.0/23RIPE—LEASEWEB-UK-MNT2021-03-16Announced
173.234.22.0/23RIPE—LEASEWEB-UK-MNT2021-03-16Announced
173.234.72.0/21RIPE—LEASEWEB-UK-MNT2024-02-14Announced
173.234.136.0/21RIPE—LEASEWEB-UK-MNT2022-04-07Announced
176.113.64.0/22RIPE—MNT-AE-VIRTUAL-12024-10-16Announced
185.70.240.0/24RIPE—CCE-MNTNER2026-10-09Announced
185.70.241.0/24RIPE—CCE-MNTNER2026-09-22Announced
185.70.242.0/23RIPE—CCE-MNTNER2026-10-09Announced
185.222.24.0/22RIPErouted via LeasewebLEASEWEB-UK-MNT2018-09-10Announced
185.222.24.0/24RIPE—LEASEWEB-UK-MNT2024-10-02Announced
185.236.92.0/22RIPE—MNT-US-REXTON-12024-10-16Announced
185.245.124.0/22RIPE—ZOOMMAIL-MNT2023-09-12Announced
193.160.76.0/22RIPE—MNT-US-PRIMESTAR-12024-10-16Announced
194.56.232.0/24RIPE—LEASEWEB-UK-MNT2020-03-09Announced
212.24.127.0/24RADBautogenMAINT-AS8342026-07-15Announced
212.24.127.0/24RIPE—NETUTILS-MNT2026-07-15Announced
212.135.128.0/24RADBautogenMAINT-AS8342026-04-24Announced
212.135.128.0/24RIPE—AS3257-IPAM-MNT2026-04-28Announced
2001:1b88::/32RIPERoute6 delegated to Leaseweb for announced origin AS205544MCOMWIFI-MNT2025-11-21Announced
2607:f5b5:2::/48ARINLeaseweb USA, Inc.MNT-LU2022-03-28Announced
2607:f5b5:3::/48ARINLeaseweb USA, Inc.MNT-LU2022-03-28Announced
2a04:88c4::/32RIPE—LEASEWEB-UK-MNT2026-09-10Announced
2a04:88c6::/32RIPE—LEASEWEB-UK-MNT2026-09-10Announced
2a0d:3000::/32RIPE—LEASEWEB-NL-MNT2019-10-02Announced
2a0d:3001::/32RIPE—LEASEWEB-NL-MNT2019-10-02Announced
2a0d:3002::/32RIPE—LEASEWEB-NL-MNT2019-10-02Announced
2a0d:3003::/32RIPE—LEASEWEB-NL-MNT2026-04-01Announced
2a0d:3004::/32RIPE—LEASEWEB-NL-MNT2026-04-01Announced
2a0f:1540::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:1640::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:1940::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:2840::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:2940::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:2a40::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:2dc0::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:2e40::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:30c0::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:3140::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:3540::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:3740::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a0f:e440::/29RIPE—BENIGAZ2022-02-01Announced
2a11:3240::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a11:4800::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a11:8700::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a11:e580::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a12:3f00::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a12:4b00::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a12:5900::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced
2a12:cd00::/29RIPE—SC-RAPIDSEEDBOX-1-MNT2025-06-24Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS205544 directly show who expects to carry it.

AS-setWhereRelationship
AS-GTTCUSTRIPELists AS205544 as a direct member
AS-GTTCUST6RIPELists AS205544 as a direct member
AS-LEASEWEB-UKRIPELists AS205544 as a direct member
AS199746:AS-BLACKLISTRIPELists AS205544 as a direct member
AS204464:AS-BLACKLISTRIPELists AS205544 as a direct member

RPKI from rpki-client, validated 2026-10-16 12:09 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-16. Cross-check on bgp.he.net.