AS396431 T38FAX-ASN-1 - T38Fax Incorporated

🇺🇸

ARINassigned

Announced Prefixes (BGP)

9total

6 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)1,024

Announced (BGP)2,304

IPv6 Addresses

Allocated (RIR)1.9×10²⁵

Announced (BGP)3.6×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2017-06-09

Announced Prefixes

(BGP)9

Prefix	RPKI	IRR	Last Seen
8.9.39.0/24	No ROA	ARIN	2026-10-11
8.20.91.0/24	No ROA	ARIN	2026-10-11
130.51.64.0/22	Valid	ARIN	2026-10-11
130.51.64.0/24	Valid	ARIN	2026-10-11
130.51.65.0/24	Valid	ARIN	2026-10-11
130.51.66.0/24	Valid	ARIN	2026-10-11
2620:53:a000::/48	Valid	ARIN	2026-10-11
2620:53:a002::/48	Valid	ARIN	2026-10-11
2620:53:a00a::/48	Valid	ARIN	2026-10-11

(RIR)2

Prefix	Country	RIR	Status
130.51.64.0/22	🇺🇸 US	ARIN	allocated
2620:53:a000::/44	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS396431 hands its own prefixes to: transit providers, or peers at an exchange.

Networks whose own prefixes AS396431 passes on: usually its customers.

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 AS396431 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/396431" | jq