AS11377 SendGrid, Inc.

SENDGRID - SendGrid, Inc. · registered in the United States

IPv4 addresses262,14438 prefixes · 0.008% of announced IPv4

Rank in United States#269largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#912of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11377 in ASN lookup Look up an IP in this network (50.31.32.1) All networks in United States

IPv4 prefixes

All 38 prefixes, in address order.

50.31.32.0/19
134.128.64.0/18
137.22.245.0/24
137.22.246.0/24
149.72.1.0/24
149.72.2.0/23
149.72.4.0/22
149.72.8.0/21
149.72.19.0/24
149.72.20.0/22
149.72.24.0/21
149.72.32.0/19
149.72.64.0/19
149.72.96.0/22
149.72.112.0/20
149.72.128.0/17
159.26.176.0/20
159.183.0.0/19
159.183.32.0/20
159.183.64.0/18
159.183.128.0/18
159.183.192.0/19
159.183.224.0/20
159.183.240.0/21
167.89.0.0/17
168.245.0.0/17
192.254.112.0/20
198.21.0.0/21
198.37.144.0/20
208.117.48.0/20
216.20.0.0/18
216.20.64.0/19
216.20.96.0/20
216.20.112.0/21
223.165.113.0/24
223.165.115.0/24
223.165.118.0/23
223.165.120.0/23

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AS292#268 ESNET-WEST - ESnet262,144

AS26662#270 XEROX-WV - XEROX CORPORATION262,144

AS55#271 UPENN - University of Pennsylvania261,888

AS2048#272 LANET-1 - State of Louisiana Office of Technology Services261,696

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources