AS4997 AFS-WEST - Zayo Bandwidth

🇺🇸

ARINassigned

Announced Prefixes (BGP)

26total

26 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)23,808

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2002-01-04

Announced Prefixes

(BGP)26

Prefix	RPKI	IRR	Last Seen
208.39.192.0/23	Valid	-	2026-10-09
208.39.194.0/23	Valid	-	2026-10-09
208.39.196.0/22	Valid	-	2026-10-09
208.39.199.0/24	Valid	-	2026-10-09
208.39.218.0/24	Valid	-	2026-10-09
208.39.222.0/24	Valid	-	2026-10-09
208.39.224.0/22	Valid	-	2026-10-09
208.39.228.0/24	Valid	-	2026-10-09
208.39.229.0/24	Valid	-	2026-10-09
208.39.232.0/21	Valid	-	2026-10-09

1-10 of 26

1 / 3

(seen in AS paths)

Networks AS4997 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS4997 between organisations.

Date	Resource	From	To	Type
2017-03-09	AS4997	American Fiber Systems, Inc. 🇺🇸 US ARIN	Zayo Bandwidth 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

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 AS4997 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

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

curl -s "https://api.ipctl.io/v1/asn/4997" | jq