Home Prefix Lookup217.11.240.0/20

217.11.240.0/20 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

217.11.240.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇿 Czechia

City

Prague

Status

not announced

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

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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

12 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
217.11.240.0/23	AS21430 WIA-AS WIA spol. s.r.o.	Valid	-	2026-10-12
217.11.242.0/24	AS15685 CASABLANCA-AS CASABLANCA INT a.s.	Valid	-	2026-10-12
217.11.243.0/24	AS204383 CZ-SPCOM-AS SPCom s.r.o.	Valid	-	2026-10-12
217.11.244.0/24	AS21430 WIA-AS WIA spol. s.r.o.	Valid	-	2026-10-12
217.11.245.0/24	AS42000 KAORA Futruy s.r.o.	Valid	-	2026-10-12
217.11.246.0/23	AS204383 CZ-SPCOM-AS SPCom s.r.o.	Valid	-	2026-10-12
217.11.248.0/23	AS15685 CASABLANCA-AS CASABLANCA INT a.s.	Valid	-	2026-10-12
217.11.250.0/24	AS21430 WIA-AS WIA spol. s.r.o.	Valid	-	2026-10-12
217.11.251.0/24	AS15685 CASABLANCA-AS CASABLANCA INT a.s.	Valid	-	2026-10-12
217.11.252.0/23	AS21430 WIA-AS WIA spol. s.r.o.	Valid	-	2026-10-12
217.11.254.0/24	AS15685 CASABLANCA-AS CASABLANCA INT a.s.	Valid	-	2026-10-12
217.11.255.0/24	AS21430 WIA-AS WIA spol. s.r.o.	Valid	-	2026-10-12

More Specific Prefixes

100

Prefix	AS	Country	Status
217.11.240.0/23	AS21430	🇨🇿CZ	allocated
217.11.240.0/29		🇨🇿CZ	assigned
217.11.240.8/29		🇨🇿CZ	assigned
217.11.240.16/29		🇨🇿CZ	assigned
217.11.240.24/29		🇨🇿CZ	assigned
217.11.240.32/29		🇨🇿CZ	assigned
217.11.240.48/28		🇨🇿CZ	assigned
217.11.240.72/29		🇨🇿CZ	assigned
217.11.240.80/29		🇨🇿CZ	assigned
217.11.240.88/29		🇨🇿CZ	assigned
217.11.240.96/28		🇨🇿CZ	assigned
217.11.240.160/28		🇨🇿CZ	assigned
217.11.240.176/28		🇨🇿CZ	assigned
217.11.240.192/29		🇨🇿CZ	assigned
217.11.240.200/29		🇨🇿CZ	assigned
217.11.240.224/29		🇨🇿CZ	assigned
217.11.240.232/29		🇨🇿CZ	assigned
217.11.241.0/25		🇨🇿CZ	assigned
217.11.241.128/27		🇨🇿CZ	assigned
217.11.241.160/28		🇨🇿CZ	assigned
217.11.241.176/29		🇨🇿CZ	assigned
217.11.241.184/29		🇨🇿CZ	assigned
217.11.241.200/29		🇨🇿CZ	assigned
217.11.241.224/29		🇨🇿CZ	assigned
217.11.241.232/29		🇨🇿CZ	assigned
217.11.241.248/29		🇨🇿CZ	assigned
217.11.242.0/23	AS15685	🇨🇿CZ	allocated
217.11.242.0/24	AS15685	🇨🇿CZ	assigned
217.11.243.0/24	AS204383	🇨🇿CZ	assigned
217.11.244.0/24	AS21430	🇨🇿CZ	allocated
217.11.244.0/29		🇨🇿CZ	assigned
217.11.244.16/28		🇨🇿CZ	assigned
217.11.244.32/29		🇨🇿CZ	assigned
217.11.244.40/29		🇨🇿CZ	assigned
217.11.244.48/28		🇨🇿CZ	assigned
217.11.244.64/26		🇨🇿CZ	assigned
217.11.244.128/29		🇨🇿CZ	assigned
217.11.244.136/29		🇨🇿CZ	assigned
217.11.244.144/28		🇨🇿CZ	assigned
217.11.244.176/28		🇨🇿CZ	assigned
217.11.244.192/27		🇨🇿CZ	assigned
217.11.244.240/28		🇨🇿CZ	assigned
217.11.245.0/24	AS42000	🇨🇿CZ	allocated
217.11.245.0/25		🇨🇿CZ	assigned
217.11.245.128/25		🇨🇿CZ	assigned
217.11.246.0/23	AS204383	🇨🇿CZ	allocated
217.11.246.0/24		🇨🇿CZ	assigned
217.11.247.0/24		🇨🇿CZ	assigned
217.11.248.0/23	AS15685	🇨🇿CZ	allocated
217.11.248.0/24		🇨🇿CZ	assigned
217.11.249.16/29		🇨🇿CZ	assigned
217.11.249.56/29		🇨🇿CZ	assigned
217.11.249.64/27		🇨🇿CZ	assigned
217.11.249.96/27		🇨🇿CZ	assigned
217.11.249.128/29		🇨🇿CZ	assigned
217.11.249.136/29		🇨🇿CZ	assigned
217.11.249.144/28		🇨🇿CZ	assigned
217.11.249.160/29		🇨🇿CZ	assigned
217.11.249.176/29		🇨🇿CZ	assigned
217.11.249.224/29		🇨🇿CZ	assigned
217.11.249.232/29		🇨🇿CZ	assigned
217.11.249.240/28		🇨🇿CZ	assigned
217.11.250.0/24	AS21430	🇨🇿CZ	allocated
217.11.250.64/29		🇨🇿CZ	assigned
217.11.250.96/29		🇨🇿CZ	assigned
217.11.250.120/29		🇨🇿CZ	assigned
217.11.250.224/29		🇨🇿CZ	assigned
217.11.251.0/24	AS15685	🇨🇿CZ	allocated
217.11.251.0/29		🇨🇿CZ	assigned
217.11.251.16/28		🇨🇿CZ	assigned
217.11.251.32/29		🇨🇿CZ	assigned
217.11.251.48/28		🇨🇿CZ	assigned
217.11.251.64/27		🇨🇿CZ	assigned
217.11.251.96/28		🇨🇿CZ	assigned
217.11.251.144/28		🇨🇿CZ	assigned
217.11.251.208/28		🇨🇿CZ	assigned
217.11.251.224/28		🇨🇿CZ	assigned
217.11.251.248/29		🇨🇿CZ	assigned
217.11.252.0/23	AS21430	🇨🇿CZ	allocated
217.11.252.0/29		🇨🇿CZ	assigned
217.11.252.16/29		🇨🇿CZ	assigned
217.11.252.24/29		🇨🇿CZ	assigned
217.11.252.32/29		🇨🇿CZ	assigned
217.11.252.40/29		🇨🇿CZ	assigned
217.11.252.48/29		🇨🇿CZ	assigned
217.11.252.56/29		🇨🇿CZ	assigned
217.11.252.64/26		🇨🇿CZ	assigned
217.11.252.128/26		🇨🇿CZ	assigned
217.11.252.192/29		🇨🇿CZ	assigned
217.11.252.216/29		🇨🇿CZ	assigned
217.11.252.224/29		🇨🇿CZ	assigned
217.11.252.240/29		🇨🇿CZ	assigned
217.11.253.32/29		🇨🇿CZ	assigned
217.11.253.208/29		🇨🇿CZ	assigned
217.11.253.248/29		🇨🇿CZ	assigned
217.11.254.0/24	AS15685	🇨🇿CZ	allocated
217.11.254.32/27		🇨🇿CZ	assigned
217.11.254.64/27		🇨🇿CZ	assigned
217.11.254.240/28		🇨🇿CZ	assigned
217.11.255.0/24	AS21430	🇨🇿CZ	allocated

Transfer History

Registry transfers of 217.11.240.0/20, blocks inside it, or blocks containing it.

217.11.255.0/24Transfer · 2022-07-28
CASABLANCA INT a.s.
RIPE NCC
→
WIA spol. s.r.o.
RIPE NCC
217.11.252.0/23Transfer · 2022-07-28
CASABLANCA INT a.s.
RIPE NCC
→
WIA spol. s.r.o.
RIPE NCC
217.11.250.0/24Transfer · 2022-07-28
CASABLANCA INT a.s.
RIPE NCC
→
WIA spol. s.r.o.
RIPE NCC
217.11.244.0/24Transfer · 2022-07-28
CASABLANCA INT a.s.
RIPE NCC
→
WIA spol. s.r.o.
RIPE NCC
217.11.240.0/23Transfer · 2022-07-28
CASABLANCA INT a.s.
RIPE NCC
→
WIA spol. s.r.o.
RIPE NCC
217.11.240.0/20M&A · 2020-07-22
Casablanca INT
RIPE NCC
→
CASABLANCA INT a.s.
RIPE NCC

Date	Resource	From	To	Type
2022-07-28	217.11.255.0/24	CASABLANCA INT a.s. RIPE NCC	WIA spol. s.r.o. RIPE NCC	Transfer
2022-07-28	217.11.252.0/23	CASABLANCA INT a.s. RIPE NCC	WIA spol. s.r.o. RIPE NCC	Transfer
2022-07-28	217.11.250.0/24	CASABLANCA INT a.s. RIPE NCC	WIA spol. s.r.o. RIPE NCC	Transfer
2022-07-28	217.11.244.0/24	CASABLANCA INT a.s. RIPE NCC	WIA spol. s.r.o. RIPE NCC	Transfer
2022-07-28	217.11.240.0/23	CASABLANCA INT a.s. RIPE NCC	WIA spol. s.r.o. RIPE NCC	Transfer
2020-07-22	217.11.240.0/20	Casablanca INT RIPE NCC	CASABLANCA INT a.s. RIPE NCC	M&A

Geolocation

Country🇨🇿CzechiaCZ

RegionHlavní město Praha

CityPrague

Coordinates50.0781, 14.4721 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/217.11.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/217.11.240.0/20" | jq

External Links

RIPEstat