Home Prefix Lookup217.117.208.0/20

217.117.208.0/20 - O2 CZECH REPUBLIC O2 Czech Republic, A.S (AS5610)

IPv4RIPE NCCallocatedAS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. RPKI Valid

CIDR

217.117.208.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇿 Czechia

City

Prague (Praha 4)

RIR

RIPE NCC

Status

allocated

Allocated

2004-02-02

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
217.117.208.0/20	AS5610 O2-CZECH-REPUBLIC O2 Czech Republic, a.s.	Valid	RIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
217.117.208.0/20	AS5610	/20	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS5610	RIPE	AS5610-MTN	2017-02-10

More Specific Prefixes

Prefix	Country	Status
217.117.212.0/24	🇨🇿CZ	assigned
217.117.213.0/24	🇨🇿CZ	assigned
217.117.214.0/24	🇨🇿CZ	assigned
217.117.215.0/24	🇨🇿CZ	assigned
217.117.216.0/24	🇨🇿CZ	assigned
217.117.217.0/25	🇨🇿CZ	assigned
217.117.217.128/29	🇨🇿CZ	assigned
217.117.217.136/29	🇨🇿CZ	assigned
217.117.217.152/29	🇨🇿CZ	assigned
217.117.217.160/29	🇨🇿CZ	assigned
217.117.217.168/29	🇨🇿CZ	assigned
217.117.217.176/29	🇨🇿CZ	assigned
217.117.217.184/29	🇨🇿CZ	assigned
217.117.217.200/29	🇨🇿CZ	assigned
217.117.217.232/29	🇨🇿CZ	assigned
217.117.217.248/29	🇨🇿CZ	assigned
217.117.218.128/25	🇨🇿CZ	assigned

Transfer History

Registry transfers of 217.117.208.0/20, blocks inside it, or blocks containing it.

217.117.208.0/20Transfer · 2017-11-14
4Local s.r.o.
RIPE NCC
→
O2 Czech Republic, a.s.
RIPE NCC

Date	Resource	From	To	Type
2017-11-14	217.117.208.0/20	4Local s.r.o. RIPE NCC	O2 Czech Republic, a.s. RIPE NCC	Transfer

Origin ASN

AS5610

O2-CZECH-REPUBLIC O2 Czech Republic, a.s.

Related Prefixes

More prefixes of AS5610

All prefixes of AS5610 →

Geolocation

Country🇨🇿CzechiaCZ

RegionHlavní město Praha

CityPrague (Praha 4)

Coordinates50.0465, 14.4565 ↗

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/217.117.208.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/217.117.208.0/20" | jq

External Links

RIPEstat