AS19005 MOZGROUP-SMTP - J2 Global Ventures, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

11total

11 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)12,288

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2011-04-06

Announced Prefixes

(BGP)11

Prefix	RPKI	IRR	Last Seen
74.91.80.0/23	Valid	ARIN	2026-10-11
74.91.82.0/23	Valid	ARIN	2026-10-11
74.91.84.0/23	Valid	ARIN	2026-10-11
74.91.86.0/23	Valid	ARIN	2026-10-11
74.91.88.0/22	Valid	ARIN	2026-10-11
74.91.92.0/22	Valid	ARIN	2026-10-11
192.40.160.0/22	Valid	ARIN	2026-10-11
192.40.164.0/22	Valid	ARIN	2026-10-11
192.40.168.0/22	Valid	ARIN	2026-10-11
192.40.172.0/22	Valid	ARIN	2026-10-11

1-10 of 11

1 / 2

(seen in AS paths)

Networks AS19005 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS19005 between organisations.

Date	Resource	From	To	Type
2022-09-15	AS19005	J2 Cloud Services, LLC 🇺🇸 US ARIN	J2 Global Ventures, LLC 🇺🇸 US ARIN	M&A
2021-04-09	AS19005	SMTP, Inc. 🇨🇦 CA ARIN	J2 Cloud Services, LLC 🇺🇸 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 AS19005 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/19005" | jq