AS20398 CNCS-AS - Controlled Networks and Communications Solutions, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

15total

15 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)4,096

Announced (BGP)3,840

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2006-09-18

Announced Prefixes

(BGP)15

Prefix	RPKI	IRR	Last Seen
23.235.48.0/24	Valid	ARIN	2026-10-11
23.235.49.0/24MOAS	Valid	ARIN	2026-10-11
23.235.54.0/24MOAS	No ROA	ARIN	2026-10-11
74.116.136.0/24	No ROA	ARIN	2026-10-11
74.116.137.0/24MOAS	No ROA	ARIN	2026-10-11
74.116.139.0/24MOAS	No ROA	ARIN	2026-10-11
74.116.141.0/24	No ROA	ARIN	2026-10-11
199.47.68.0/24	No ROA	ARIN	2026-10-11
199.47.69.0/24	No ROA	ARIN	2026-10-11
199.47.70.0/24	No ROA	ARIN	2026-10-11

1-10 of 15

1 / 2

(RIR)3

Prefix	Country	RIR	Status
74.116.136.0/21	🇺🇸 US	ARIN	allocated
199.47.68.0/22	🇺🇸 US	ARIN	allocated
208.72.24.0/22	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS20398 hands its own prefixes to: transit providers, or peers at an exchange.

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 AS20398 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/20398" | jq