AS187 DNSCAST-AS - DNScast

🇺🇸

ARINassigned

Announced Prefixes (BGP)

34total

17 IPv417 IPv6

IPv4 Addresses

Allocated (RIR)512

Announced (BGP)4,608

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)2×10²⁵

Prefix Limit (IPv4)

Prefix Limit (IPv6)

100

Country

RIR

Status

assigned

Allocated

2009-07-22

Announced Prefixes

(BGP)34

Prefix	RPKI	IRR	Last Seen
72.42.112.0/24	Valid	Other IRR	-
72.42.113.0/24	Valid	Other IRR	-
72.42.114.0/24	Valid	Other IRR	-
72.42.115.0/24	Valid	Other IRR	-
72.42.116.0/24	Valid	Other IRR	-
72.42.117.0/24	Valid	Other IRR	-
72.42.118.0/24	Valid	Other IRR	-
72.42.119.0/24	Valid	Other IRR	-
72.42.120.0/24	Valid	Other IRR	-
72.42.121.0/24	Valid	Other IRR	-

1-10 of 34

1 / 4

(RIR)2

Prefix	Country	RIR	Status
203.119.88.0/23	🇺🇸 US	APNIC	assigned
2001:dd8:7::/48	🇺🇸 US	APNIC	assigned

(seen in AS paths)

Networks AS187 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 AS187 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/187" | jq