Home Prefix Lookup209.55.128.0/17

209.55.128.0/17 - BGP Prefix

IPv4not announcedNo ROA

CIDR

209.55.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇳🇴 Norway

City

Oslo

Status

not announced

Allocated

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

99 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
209.55.128.0/18	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	No ROA	-	2026-10-11
209.55.128.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.129.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.130.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.132.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.133.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.134.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.135.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.136.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.137.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.138.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.139.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.140.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.141.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.142.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.143.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.144.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.145.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.146.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.147.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.148.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.149.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.150.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.151.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.152.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.153.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.154.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.155.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.156.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.157.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.158.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.159.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.160.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.161.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.162.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.163.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.164.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.165.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.166.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.167.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.168.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.169.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.170.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.171.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.172.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.173.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.174.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.175.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.176.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.177.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.178.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.179.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.180.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.181.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.182.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.183.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.184.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.185.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.186.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.187.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.188.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.189.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.190.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.191.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.192.0/19	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	No ROA	-	2026-10-11
209.55.192.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.193.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.196.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.197.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.200.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	No ROA	-	2026-10-11
209.55.201.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	No ROA	-	2026-10-11
209.55.202.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.203.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.204.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.205.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.206.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.207.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.208.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.209.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.210.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.211.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.212.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.213.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.214.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.215.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.216.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.217.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.218.0/24	AS62044 ZSCALER-EMEA Zscaler Switzerland GmbH	Valid	-	2026-10-11
209.55.219.0/24	AS53813 ZSCALER-INC - ZSCALER, INC.	Valid	-	2026-10-11
209.55.220.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.221.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.222.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	Valid	-	2026-10-11
209.55.223.0/24	AS22616 ZSCALER-SJC1 - ZSCALER, INC.	No ROA	-	2026-10-11
209.55.226.0/24	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11
209.55.232.0/24	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11
209.55.234.0/24	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11
209.55.246.0/23	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11
209.55.253.0/24	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11
209.55.254.0/24	AS13335 CLOUDFLARENET - Cloudflare, Inc.	No ROA	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
209.55.128.0/18	AS22616	🇺🇸US	allocated
209.55.192.0/19	AS22616	🇺🇸US	allocated
209.55.224.0/19	AS59785	🇩🇪DE	allocated

Transfer History

Registry transfers of 209.55.128.0/17, blocks inside it, or blocks containing it.

209.55.224.0/19inter-RIRTransfer · 2021-10-27
COCA-COLA EUROPEAN PARTNERS PLC
🇬🇧 GB ARIN
→
Coca-Cola Europacific Partners Deutschland GmbH
RIPE NCC
209.55.128.0/18Transfer · 2021-09-21
COCA-COLA EUROPACIFIC PARTNERS PLC
🇬🇧 GB ARIN
→
ZSCALER, INC.
🇺🇸 US ARIN
209.55.192.0/19Transfer · 2021-09-21
COCA-COLA EUROPACIFIC PARTNERS PLC
🇬🇧 GB ARIN
→
ZSCALER, INC.
🇺🇸 US ARIN
209.55.128.0/17M&A · 2020-12-04
Coca-Cola Enterprises, Inc.
🇺🇸 US ARIN
→
COCA-COLA EUROPEAN PARTNERS PLC
🇬🇧 GB ARIN

Date	Resource	From	To	Type
2021-10-27	209.55.224.0/19inter-RIR	COCA-COLA EUROPEAN PARTNERS PLC 🇬🇧 GB ARIN	Coca-Cola Europacific Partners Deutschland GmbH RIPE NCC	Transfer
2021-09-21	209.55.128.0/18	COCA-COLA EUROPACIFIC PARTNERS PLC 🇬🇧 GB ARIN	ZSCALER, INC. 🇺🇸 US ARIN	Transfer
2021-09-21	209.55.192.0/19	COCA-COLA EUROPACIFIC PARTNERS PLC 🇬🇧 GB ARIN	ZSCALER, INC. 🇺🇸 US ARIN	Transfer
2020-12-04	209.55.128.0/17	Coca-Cola Enterprises, Inc. 🇺🇸 US ARIN	COCA-COLA EUROPEAN PARTNERS PLC 🇬🇧 GB ARIN	M&A

Geolocation

Country🇳🇴NorwayNO

CityOslo

Coordinates59.9122, 10.7313 ↗

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/209.55.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/209.55.128.0/17" | jq

External Links

RIPEstat