Home Prefix Lookup171.33.136.0/21

171.33.136.0/21 - IGNUM Webglobe, S.R.O (AS29134)

IPv4RIPE NCCallocatedAS29134IGNUM-AS Webglobe, s.r.o. RPKI Valid

CIDR

171.33.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇿 Czechia

City

Prague (Praha 8)

RIR

RIPE NCC

Status

allocated

Allocated

2012-07-03

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
171.33.136.0/21	AS29134 IGNUM-AS Webglobe, s.r.o.	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
171.33.136.0/21	AS29134	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS29134	RIPE	IGNUM-MNT	2021-02-02

Transfer History

Registry transfers of 171.33.136.0/21, blocks inside it, or blocks containing it.

171.33.136.0/21M&A · 2021-03-11
HOSTING90 systems s.r.o.
RIPE NCC
→
Webglobe, s.r.o.
RIPE NCC

Date	Resource	From	To	Type
2021-03-11	171.33.136.0/21	HOSTING90 systems s.r.o. RIPE NCC	Webglobe, s.r.o. RIPE NCC	M&A

Origin ASN

AS29134

IGNUM-AS Webglobe, s.r.o.

Related Prefixes

More prefixes of AS29134

All prefixes of AS29134 →

Geolocation

Country🇨🇿CzechiaCZ

RegionPrague

CityPrague (Praha 8)

Coordinates50.0928, 14.4412 ↗

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/171.33.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/171.33.136.0/21" | jq

External Links

RIPEstat