ASN-SENDGRID

AS11377 · SendGrid, Inc. 1801 California Street, Suite 500 Denver, CO 80202 US · US · ARIN

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5

Upstream providers

0

Downstream customers

264k

v4 addresses

0

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	AF
AS701 AS701	2024-09-01 1y 9mo	2026-06-09	303 peers AS1351 AS17350	v4 v6
AS6461 AS6461	2024-09-01 1y 9mo	2026-06-09	213 peers AS1031 AS1299 AS3257 AS3320 AS3491 AS5580 AS6453 AS6830 AS8888 AS14907 AS33874 AS34927 AS35426 AS35710 AS36924 AS39122 AS48362 AS49432 AS51185 AS56987 AS60539 AS61573 AS151704 AS199524 AS210937 AS271253	v4 v6
AS3356 AS3356	2024-09-01 1y 9mo	2026-06-09	208 peers AS174 AS209 AS1299 AS3257 AS3399 AS3491 AS3549 AS5394 AS5580 AS6424 AS6762 AS6830 AS6894 AS7018 AS8582 AS12956 AS12969 AS14315 AS17350 AS20514 AS20811 AS20912 AS21700 AS22652 AS24516 AS31510 AS32590 AS33185 AS34800 AS34927 AS44901 AS45437 AS49028 AS49605 AS51185 AS52468 AS55222 AS57630 AS57821 AS58511 AS61138 AS63956 AS64112 AS132825 AS151326 AS197580 AS199524 AS199938 AS200612 AS202365 AS205206 AS209650 AS212271 AS265721 AS327960 AS328840 AS398465	v4 v6
AS2914 AS2914	2024-09-01 1y 9mo	2026-06-09	199 peers AS3320 AS3491 AS6730 AS7594 AS8220 AS12956 AS14907 AS16276 AS24516 AS32590 AS38008 AS46997 AS49434 AS51185 AS52468 AS56457 AS58511 AS134823 AS142289 AS199524 AS216285	v4 v6
TWELVE99 AS1299	2024-09-01 1y 9mo	2026-06-09	157 peers AS174 AS1031 AS1351 AS2734 AS3130 AS3257 AS3320 AS3399 AS3491 AS4128 AS6082 AS6424 AS6453 AS6461 AS6762 AS6830 AS7018 AS8218 AS11039 AS12779 AS12956 AS14315 AS16276 AS16552 AS17660 AS19151 AS19529 AS20080 AS24482 AS29504 AS31510 AS32590 AS34800 AS40864 AS44901 AS45437 AS48919 AS51185 AS52075 AS52468 AS53828 AS61049 AS61568 AS64112 AS132884 AS134823 AS137409 AS151704 AS199524 AS202365 AS264409 AS264479 AS327960	v4 v6

Customers (0)

Addr family: All IPv4 IPv6

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

132

v4 prefixes

264k

v4 addresses

0

v6 prefixes

0

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2024-09-02

New Transit

ASN-SENDGRID AS11377 → added provider AS6461 AS6461

Confidence: 90%

⇄

2024-09-02

New Transit

ASN-SENDGRID AS11377 → added provider AS3356 AS3356

Confidence: 90%

⇄

2024-09-02

New Transit

ASN-SENDGRID AS11377 → added provider AS2914 AS2914

Confidence: 90%

⇄

2024-09-02

New Transit

ASN-SENDGRID AS11377 → added provider TWELVE99 AS1299

Confidence: 90%

⇄

2024-09-02

New Transit

ASN-SENDGRID AS11377 → added provider AS701 AS701

Confidence: 90%

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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