Home ASN LookupAS27325

AS27325 DATABANK-ZCOLO - zColo

🇺🇸

ARINassigned

Announced Prefixes (BGP)

11total

10 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)35,328

Announced (BGP)39,680

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2003-02-12

Announced Prefixes

(BGP)11

Prefix	RPKI	IRR	Last Seen
24.227.211.0/24	Valid	Other IRR	2026-10-10
64.17.0.0/20	No ROA	Other IRR	2026-10-10
64.20.224.0/19	No ROA	Other IRR	2026-10-10
64.20.224.0/20	No ROA	Other IRR	2026-10-10
66.219.32.0/19	No ROA	Other IRR	2026-10-10
96.47.208.0/20	No ROA	Other IRR	2026-10-10
192.188.253.0/24	No ROA	Other IRR	2026-10-10
198.252.182.0/24	No ROA	Other IRR	2026-10-10
208.67.240.0/21	No ROA	Other IRR	2026-10-10
208.123.64.0/19	No ROA	Other IRR	2026-10-10

1-10 of 11

1 / 2

Allocated Prefixes

(RIR)9

Prefix	Country	RIR	Status
64.17.0.0/20	🇺🇸 US	ARIN	allocated
64.20.224.0/19	🇺🇸 US	ARIN	allocated
66.219.32.0/19	🇺🇸 US	ARIN	allocated
96.47.208.0/20	🇺🇸 US	ARIN	allocated
192.188.253.0/24	🇺🇸 US	ARIN	allocated
198.252.182.0/24	🇺🇸 US	ARIN	allocated
208.67.240.0/21	🇺🇸 US	ARIN	allocated
208.123.64.0/19	🇺🇸 US	ARIN	allocated
2610:160::/32	🇺🇸 US	ARIN	allocated

All 11 announced prefixes of AS27325 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS27325 hands its own prefixes to: transit providers, or peers at an exchange.

AS6461Zayo Bandwidth10
AS3356Level 3 Parent1

Downstreams (2)

Networks whose own prefixes AS27325 passes on: usually its customers.

AS30312Netgate5
AS7905Sooner Technology4

Other adjacent networks (1)

Adjacent to AS27325 in the transit part of AS paths: peers, providers or customers.

AS11427Charter Communications4

Transfer History

Registry transfers of AS27325 between organisations.

AS27325M&A · 2018-04-06
Core NAP, L.P.
🇺🇸 US ARIN
→
zColo
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-04-06	AS27325	Core NAP, L.P. 🇺🇸 US ARIN	zColo 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS27325 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/27325

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/27325" | jq