AS11377 SENDGRID - SendGrid, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

143total

143 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)141,312

Announced (BGP)267,008

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)0

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2012-06-28

Announced Prefixes

(BGP)143

Prefix	RPKI	IRR	Last Seen
50.31.32.0/20	Valid	ARINOther IRR	2026-10-11
50.31.48.0/20	Valid	ARINOther IRR	2026-10-11
134.128.64.0/19	Valid	ARINOther IRR	2026-10-11
134.128.96.0/19	Valid	ARINOther IRR	2026-10-11
137.22.245.0/24	Valid	ARINOther IRR	2026-10-11
137.22.246.0/24	Valid	ARINOther IRR	2026-10-11
149.72.1.0/24	Valid	ARINOther IRR	2026-10-11
149.72.2.0/23	Valid	ARINOther IRR	2026-10-11
149.72.4.0/22	Valid	ARINOther IRR	2026-10-11
149.72.8.0/22	Valid	ARINOther IRR	2026-10-11

1-10 of 143

1 / 15

(RIR)7

Prefix	Country	RIR	Status
149.72.0.0/16	🇺🇸 US	ARIN	allocated
167.89.0.0/17	🇺🇸 US	ARIN	allocated
168.245.0.0/17	🇺🇸 US	ARIN	allocated
192.254.112.0/20	🇺🇸 US	ARIN	allocated
198.21.0.0/21	🇺🇸 US	ARIN	allocated
198.37.144.0/20	🇺🇸 US	ARIN	allocated
2604:a080::/32	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS11377 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 AS11377 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/11377" | jq