Home Prefix Lookup205.188.0.0/16

205.188.0.0/16 - BGP Prefix

IPv4RIPE NCCallocated RPKI Valid

CIDR

205.188.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇨🇭 Switzerland

City

Zurich

RIR

RIPE NCC

Status

allocated

Allocated

1995-03-21

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

92 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
205.188.0.0/22	AS264617 GRUPO PANAGLOBAL 15 S.A	Valid	-	2026-10-11
205.188.4.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.6.0/23	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.8.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.8.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.9.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.10.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.11.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.12.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.16.0/22	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.20.0/24	AS44133 IPAX-AS IPAX GmbH	Valid	-	2026-10-11
205.188.21.0/24	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.22.0/23	AS3356 LEVEL3 - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.24.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.28.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.32.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.36.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.40.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.44.0/22	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.48.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.52.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.52.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.53.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.54.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.55.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.56.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.60.0/23	AS201207 Int-GTB Getechbrothers, MB	Valid	-	2026-10-11
205.188.62.0/23	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.64.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.68.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.72.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.76.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.78.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.80.0/22	AS59711 HZ-EU-AS HZ Hosting Ltd	Valid	-	2026-10-11
205.188.84.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.88.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.92.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.94.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.96.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.96.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.97.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.99.0/24	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.100.0/22	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
205.188.104.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.108.0/23	AS201341 Centurion-Internet-services trafficforce, UAB	Valid	-	2026-10-11
205.188.108.0/23	AS396319 US-INTERNET-396319 - Oxylabs	Invalid	-	2026-10-11
205.188.110.0/23	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.112.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.116.0/22	AS20115 CHARTER-20115 - Charter Communications LLC	Valid	-	2026-10-11
205.188.116.0/22	AS396319 US-INTERNET-396319 - Oxylabs	Invalid	-	2026-10-11
205.188.116.0/22	AS398465 RACKDOG-LLC - Rackdog, LLC	Invalid	-	2026-10-11
205.188.120.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.124.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.128.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.132.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.136.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.140.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
205.188.144.0/22	AS812 ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.	Valid	-	2026-10-11
205.188.148.0/22	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.152.0/22	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.156.0/22	AS3356 LEVEL3 - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.160.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.164.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.168.0/23	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.170.0/23	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.172.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.176.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.180.0/23	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.182.0/23	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.184.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.188.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.192.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.196.0/22	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.200.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.204.0/23	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.206.0/23	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
205.188.208.0/22	AS3356 LEVEL3 - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.212.0/23	AS3356 LEVEL3 - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.214.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.216.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.220.0/23	AS12741 AS-NETIA Netia SA	Valid	-	2026-10-11
205.188.222.0/23	AS12741 AS-NETIA Netia SA	Valid	-	2026-10-11
205.188.224.0/22	AS59711 HZ-EU-AS HZ Hosting Ltd	Valid	-	2026-10-11
205.188.228.0/22	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.232.0/22	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-11
205.188.236.0/23	AS201207 Int-GTB Getechbrothers, MB	Valid	-	2026-10-11
205.188.238.0/23	AS150423 SERVER-AS-AP Server Galactic Private Limited	Valid	-	2026-10-11
205.188.240.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
205.188.244.0/22	AS9009 M247 M247 Europe SRL	No ROA	-	2026-10-11
205.188.248.0/23	AS201207 Int-GTB Getechbrothers, MB	Valid	-	2026-10-11
205.188.250.0/23	AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC	Valid	-	2026-10-11
205.188.252.0/22	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
205.188.4.0/23	AS212238	🇩🇪DE	assigned
205.188.12.0/22	AS212238	🇩🇪DE	assigned
205.188.16.0/22	AS9009	🇷🇴RO	assigned
205.188.20.0/24	AS44133	🇦🇹AT	assigned
205.188.24.0/22	AS212238	🇨🇦CA	assigned
205.188.28.0/22	AS212238	🇩🇪DE	assigned
205.188.32.0/22	AS212238	🇩🇪DE	assigned
205.188.36.0/22	AS212238	🇨🇦CA	assigned
205.188.40.0/22	AS212238	🇩🇪DE	assigned
205.188.44.0/22	AS9009	🇷🇴RO	assigned
205.188.48.0/22	AS212238	🇨🇦CA	assigned
205.188.56.0/22	AS212238	🇩🇪DE	assigned
205.188.64.0/22	AS212238	🇨🇦CA	assigned
205.188.68.0/22	AS212238	🇨🇦CA	assigned
205.188.72.0/22	AS212238	🇨🇦CA	assigned
205.188.76.0/23	AS212238	🇩🇪DE	assigned
205.188.80.0/22	AS59711	🇸🇪SE	assigned
205.188.84.0/22	AS212238	🇨🇦CA	assigned
205.188.88.0/22	AS212238	🇩🇪DE	assigned
205.188.92.0/23	AS212238	🇷🇴RO	assigned
205.188.100.0/22	AS30058	🇺🇸US	assigned
205.188.108.0/23	AS396319	🇺🇸US	assigned
205.188.110.0/23	AS9009	🇷🇴RO	assigned
205.188.116.0/23		🇮🇩ID	assigned
205.188.118.0/24		🇨🇭CH	assigned
205.188.119.0/24		🇦🇷AR	assigned
205.188.124.0/22	AS212238	🇭🇷HR	assigned
205.188.132.0/22	AS212238	🇵🇱PL	assigned
205.188.140.0/22	AS62874	🇺🇸US	assigned
205.188.160.0/22	AS9009	🇷🇴RO	assigned
205.188.168.0/23	AS9009	🇷🇴RO	assigned
205.188.176.0/22	AS9009	🇷🇴RO	assigned
205.188.196.0/22	AS9009	🇷🇴RO	assigned
205.188.216.0/22	AS212238	🇷🇴RO	assigned
205.188.224.0/22	AS59711	🇸🇪SE	assigned
205.188.232.0/22	AS9009	🇷🇴RO	assigned
205.188.240.0/22	AS212238	🇩🇪DE	assigned
205.188.244.0/22	AS9009	🇷🇴RO	assigned
205.188.252.0/22	AS212238	🇨🇦CA	assigned

Transfer History

Registry transfers of 205.188.0.0/16, blocks inside it, or blocks containing it.

205.188.0.0/16inter-RIRTransfer · 2025-12-04
Yahoo Holdings Inc.
🇺🇸 US ARIN
→
UAB code200
🇱🇹 LT RIPE NCC
205.188.0.0/16M&A · 2019-03-22
AOL Inc.
🇺🇸 US ARIN
→
Oath Holdings Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-12-04	205.188.0.0/16inter-RIR	Yahoo Holdings Inc. 🇺🇸 US ARIN	UAB code200 🇱🇹 LT RIPE NCC	Transfer
2019-03-22	205.188.0.0/16	AOL Inc. 🇺🇸 US ARIN	Oath Holdings Inc. 🇺🇸 US ARIN	M&A

Geolocation

Country🇨🇭SwitzerlandCH

CityZurich

Coordinates47.3769, 8.5417 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/205.188.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/205.188.0.0/16" | jq

External Links

RIPEstat