AS4237 CSC-IGN-FTW-AS4237 - DXC US Latin America Corporation

🇺🇸

ARINassigned

Announced Prefixes (BGP)

14total

14 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)53,248

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

1999-06-25

Announced Prefixes

(BGP)14

Prefix	RPKI	IRR	Last Seen
20.137.0.0/21	Valid	ARINOther IRR	2026-10-11
20.137.12.0/22	Valid	ARINOther IRR	2026-10-11
20.137.14.0/23	Valid	ARINOther IRR	2026-10-11
20.137.176.0/20	Valid	ARINOther IRR	2026-10-11
20.137.176.0/21	Valid	ARINOther IRR	2026-10-11
20.137.184.0/21	Invalid	-	2026-10-11
20.137.216.0/24	Valid	ARINOther IRR	2026-10-11
20.137.240.0/20	Valid	ARINOther IRR	2026-10-11
20.148.32.0/19	Valid	ARINOther IRR	2026-10-11
20.148.96.0/19	Valid	ARINOther IRR	2026-10-11

1-10 of 14

1 / 2

(seen in AS paths)

Networks AS4237 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS4237 between organisations.

Date	Resource	From	To	Type
2021-12-13	AS4237	Computer Sciences Corporation 🇺🇸 US ARIN	DXC US Latin America Corporation 🇺🇸 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 AS4237 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/4237" | jq