Home Prefix Lookup170.205.64.0/18

170.205.64.0/18 - SWISSCOM (Schweiz) (AS3303)

IPv4RIPE NCCallocatedAS3303SWISSCOM Swisscom (Schweiz) AG RPKI Valid

CIDR

170.205.64.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇨🇭 Switzerland

City

Zurich

RIR

RIPE NCC

Status

allocated

Allocated

1994-12-01

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
170.205.64.0/18	AS3303 SWISSCOM Swisscom (Schweiz) AG	Valid	RIPE	2026-10-12

More-Specific Announcements

2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
170.205.64.0/19	AS3303 SWISSCOM Swisscom (Schweiz) AG	Valid	-	2026-10-12
170.205.96.0/19	AS3303 SWISSCOM Swisscom (Schweiz) AG	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
170.205.64.0/18	AS3303	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3303	RIPE	CH-UNISOURCE-MNT	2020-01-13

More Specific Prefixes

Prefix	Country	Status
170.205.64.176/28	🇨🇭CH	assigned
170.205.64.192/27	🇨🇭CH	assigned
170.205.75.96/28	🇨🇭CH	assigned
170.205.75.176/28	🇨🇭CH	assigned
170.205.76.240/28	🇨🇭CH	assigned
170.205.77.96/28	🇨🇭CH	assigned

Transfer History

Registry transfers of 170.205.64.0/18, blocks inside it, or blocks containing it.

170.205.64.0/18inter-RIRTransfer · 2019-12-02
IDEAL STANDARD INTERNATIONAL NV
🇧🇪 BE ARIN
→
Swisscom (Schweiz) AG
RIPE NCC

Date	Resource	From	To	Type
2019-12-02	170.205.64.0/18inter-RIR	IDEAL STANDARD INTERNATIONAL NV 🇧🇪 BE ARIN	Swisscom (Schweiz) AG RIPE NCC	Transfer

Origin ASN

AS3303

SWISSCOM Swisscom (Schweiz) AG

Related Prefixes

More prefixes of AS3303

All prefixes of AS3303 →

Geolocation

Country🇨🇭SwitzerlandCH

RegionZurich

CityZurich

Coordinates47.3769, 8.5417 ↗

Abuse Contact

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/170.205.64.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/170.205.64.0/18" | jq

External Links

RIPEstat