ASN Lookup Tool

SendGrid, Inc. sendgrid.com US US 131 Routes

AS Data

AS11377

AS11377 – SendGrid, Inc.

AS Number 11377
AS Name SENDGRID
Organization SendGrid, Inc. (sendg-12)
Country US
Website sendgrid.com
Number of IPv4 Routes 131
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2012-06-28

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IP Ranges

Route # IPs
149.72.98.0/23 512
159.183.229.0/24 256
167.89.126.0/23 512
208.117.48.0/21 2048
159.183.34.0/24 256
168.245.92.0/22 1024
216.20.32.0/22 1024
159.183.238.0/24 256
159.183.192.0/19 8192
216.20.80.0/22 1024
159.183.226.0/24 256
216.20.4.0/22 1024
149.72.112.0/20 4096
216.20.56.0/22 1024
159.183.231.0/24 256
167.89.114.0/23 512
216.20.112.0/22 1024
216.20.20.0/22 1024
168.245.64.0/20 4096
159.183.235.0/24 256
192.254.112.0/20 4096
198.21.0.0/21 2048
149.72.1.0/24 256
159.26.180.0/22 1024
216.20.104.0/22 1024
159.183.40.0/24 256
167.89.96.0/20 4096
216.20.92.0/22 1024
167.89.118.0/24 256
216.20.124.0/22 1024
149.72.24.0/21 2048
159.183.46.0/24 256
216.20.44.0/22 1024
159.183.37.0/24 256
167.89.119.0/24 256
149.72.128.0/19 8192
159.183.42.0/24 256
216.20.8.0/22 1024
208.117.56.0/21 2048
216.20.96.0/22 1024
159.183.239.0/24 256
149.72.192.0/19 8192
216.20.84.0/22 1024
149.72.64.0/19 8192
149.72.32.0/19 8192
167.89.120.0/23 512
167.89.0.0/18 16384
159.183.35.0/24 256
216.20.116.0/22 1024
216.20.64.0/22 1024
159.183.128.0/18 16384
159.183.44.0/24 256
223.165.120.0/24 256
159.183.32.0/24 256
134.128.96.0/19 8192
216.20.108.0/22 1024
216.20.28.0/22 1024
149.72.224.0/19 8192
159.26.184.0/22 1024
159.183.43.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11377
ASName:         SENDGRID
ASHandle:       AS11377
RegDate:        2012-06-28
Updated:        2012-06-28
Ref:            https://rdap.arin.net/registry/autnum/11377


OrgName:        SendGrid, Inc.
OrgId:          SENDG-12
Address:        Twilio, Inc.
Address:        1801 California Street
Address:        Suite 500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2012-06-14
Updated:        2025-06-12
Comment:        http://www.sendgrid.com
Comment:        
Comment:        (888) 985-8363
Comment:        Support hours: M-F, 7a-7p Mountain Time.
Ref:            https://rdap.arin.net/registry/entity/SENDG-12


OrgAbuseHandle: ABUSE3074-ARIN
OrgAbuseName:   Abuse Desk
OrgAbusePhone:  +1-888-985-7363 
OrgAbuseEmail:  abuse@sendgrid.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3074-ARIN

OrgTechHandle: TALSM-ARIN
OrgTechName:   Talsma, Jack 
OrgTechPhone:  +1-415-390-2337 
OrgTechEmail:  netops+arin@sendgrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TALSM-ARIN

OrgTechHandle: TSNO-ARIN
OrgTechName:   Twilio SendGrid Network Operations
OrgTechPhone:  +1-888-985-7363 
OrgTechEmail:  netops+arin@sendgrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TSNO-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS7195 EDGEUNO S.A.S CO
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS3737 PenTeleData Inc. US
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS10242 US Internet Corp US
AS14537 Continent 8 LLC US
AS37468 Angola Cables AO
AS199524 G-Core Labs S.A. LU
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS401731 The University of Alabama Athletics US
AS14907 Wikimedia Foundation Inc. US
AS852 TELUS Communications Inc. CA
AS293 ESnet US
AS53597 Hoyos Consulting LLC US
AS11039 The George Washington University US
AS3223 Voxility LLP GB
AS23367 Adaptive Data Networks, LLC US
AS6461 Zayo Bandwidth US
AS16552 Tiggee LLC US
AS398465 Rackdog, LLC US
AS8220 COLT Technology Services Group Limited GB
AS37721 Virtual Technologies & Solutions BF
AS18678 INTERNEXA S.A. E.S.P CO
AS32709 Joink, LLC US
AS32590 Valve Corporation US
AS701 Verizon Business/UUnet US
AS399337 Netcrawler Inc CA
AS6204 INTERKVM HOST SRL RO
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS19009 Missouri Network Alliance, LLC US
AS24482 SG.GS SG
AS57695 Misaka Network, Inc. US
AS45701 PT. Internet Madju Abad Milenindo ID
AS20473 The Constant Company, LLC US
AS4826 Vocus Connect International Backbone AU
AS2914 NTT America, Inc. US
AS60171 AFR-IX TELECOM S.A. ES
AS60171 AFR IX TELECOM S.A. ES
AS36236 NetActuate, Inc US
AS4455 IX Reach Ltd GB
AS16276 OVH SAS FR
AS19754 The Fusion Network, LLC US
AS15830 Equinix (EMEA) Acquisition Enterprises B.V. NL
AS19653 CTS Communications Corp US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS396238 FairlawnGig.net US
AS2381 WiscNet US
AS13786 Seabras 1 USA, LLC US
AS35280 F5 Networks SARL FR
AS21559 OSNET PR
AS53828 NETWORK INNOVATIONS, LLC US
AS3356 Level 3 Parent, LLC US
AS701 Verizon Business US
AS4181 TDS TELECOM US
AS137409 GSL Networks Pty LTD AU
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS7195 EDGEUNO S.A.S CO
AS8220 COLT Technology Services Group Limited GB
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS6057 Administracion Nacional de Telecomunicaciones UY
AS2914 NTT America, Inc. US
AS37468 Angola Cables AO
AS13786 Seabras 1 USA, LLC US
AS60171 AFR IX TELECOM S.A. ES
AS1299 Arelion Sweden AB SE
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US
AS701 Verizon Business US
AS137409 GSL Networks Pty LTD AU

Contacts

Email Contacts

netops+arin@sendgrid.com

Abuse Contacts

abuse@sendgrid.com

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Frequently Asked Questions

ASN AS11377 is an Autonomous System Number used to identify a network for BGP internet routing.
AS11377 is listed under SendGrid, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.