AS Number
AS11377
AS Name
SENDGRID
Org Name
SendGrid, Inc.
Country / Region
United States
Registry

arin

RegDate

2012-06-14

Updated

2025-06-12

AS11377 Looking Glass
IPv4Prefixes

131

IPv6Prefixes

0

IPv4 NUMs

263,936

IPv6 NUMs(/64)

0

CIDR Description IP Num
50.31.32.0/20
IRR Valid
SendGrid, Inc. 4096
50.31.48.0/20
IRR Valid
SendGrid, Inc. 4096
134.128.64.0/19
IRR Parent Valid
Twilio SendGrid 8192
134.128.96.0/19
IRR Parent Valid
Twilio SendGrid 8192
137.22.245.0/24
SendGrid, Inc. 256
137.22.246.0/24
SendGrid, Inc. 256
149.72.1.0/24
IRR Valid
SendGrid, Inc. 256
149.72.2.0/23
IRR Valid
SendGrid, Inc. 512
149.72.4.0/22
IRR Valid
SendGrid, Inc. 1024
149.72.8.0/22
IRR Valid
SendGrid, Inc. 1024
149.72.12.0/22
IRR Valid
SendGrid, Inc. 1024
149.72.19.0/24
IRR Valid
SendGrid, Inc. 256
149.72.20.0/22
IRR Valid
SendGrid, Inc. 1024
149.72.24.0/21
IRR Valid
SendGrid, Inc. 2048
149.72.32.0/19
IRR Valid
SendGrid, Inc. 8192
149.72.64.0/19
IRR Valid
SendGrid, Inc. 8192
149.72.96.0/23
IRR Valid
SendGrid, Inc. 512
149.72.98.0/23
IRR Valid
SendGrid, Inc. 512
149.72.112.0/20
IRR Valid
SendGrid, Inc. 4096
149.72.128.0/19
IRR Valid
SendGrid, Inc. 8192
149.72.160.0/19
IRR Valid
SendGrid, Inc. 8192
149.72.192.0/19
IRR Valid
SendGrid, Inc. 8192
149.72.224.0/19
IRR Valid
SendGrid, Inc. 8192
159.26.176.0/24
IRR Parent Valid
Twilio SendGrid 256
159.26.177.0/24
IRR Parent Valid
Twilio SendGrid 256
159.26.178.0/24
IRR Parent Valid
Twilio SendGrid 256
159.26.179.0/24
IRR Parent Valid
Twilio SendGrid 256
159.26.180.0/22
IRR Parent Valid
Twilio SendGrid 1024
159.26.184.0/22
IRR Parent Valid
Twilio SendGrid 1024
159.26.188.0/22
IRR Parent Valid
Twilio SendGrid 1024
159.183.0.0/19
IRR Valid
Twilio SendGrid 8192
159.183.32.0/24
IRR Valid
Twilio SendGrid 256
159.183.33.0/24
IRR Valid
Twilio SendGrid 256
159.183.34.0/24
IRR Valid
Twilio SendGrid 256
159.183.35.0/24
IRR Valid
Twilio SendGrid 256
159.183.36.0/24
IRR Valid
Twilio SendGrid 256
159.183.37.0/24
IRR Valid
Twilio SendGrid 256
159.183.38.0/24
IRR Valid
Twilio SendGrid 256
159.183.39.0/24
IRR Valid
Twilio SendGrid 256
159.183.40.0/24
IRR Valid
Twilio SendGrid 256
159.183.41.0/24
IRR Valid
Twilio SendGrid 256
159.183.42.0/24
IRR Valid
Twilio SendGrid 256
159.183.43.0/24
IRR Valid
Twilio SendGrid 256
159.183.44.0/24
IRR Valid
Twilio SendGrid 256
159.183.45.0/24
IRR Valid
Twilio SendGrid 256
159.183.46.0/24
IRR Valid
Twilio SendGrid 256
159.183.47.0/24
IRR Valid
Twilio SendGrid 256
159.183.64.0/18
IRR Valid
Twilio SendGrid 16384
159.183.128.0/18
IRR Valid
Twilio SendGrid 16384
159.183.192.0/19
IRR Valid
Twilio SendGrid 8192
159.183.224.0/24
IRR Valid
Twilio SendGrid 256
159.183.225.0/24
IRR Valid
Twilio SendGrid 256
159.183.226.0/24
IRR Valid
Twilio SendGrid 256
159.183.227.0/24
IRR Valid
Twilio SendGrid 256
159.183.228.0/24
IRR Valid
Twilio SendGrid 256
159.183.229.0/24
IRR Valid
Twilio SendGrid 256
159.183.230.0/24
IRR Valid
Twilio SendGrid 256
159.183.231.0/24
IRR Valid
Twilio SendGrid 256
159.183.232.0/24
IRR Valid
Twilio SendGrid 256
159.183.233.0/24
IRR Valid
Twilio SendGrid 256
159.183.234.0/24
IRR Valid
Twilio SendGrid 256
159.183.235.0/24
IRR Valid
Twilio SendGrid 256
159.183.236.0/24
IRR Valid
Twilio SendGrid 256
159.183.237.0/24
IRR Valid
Twilio SendGrid 256
159.183.238.0/24
IRR Valid
Twilio SendGrid 256
159.183.239.0/24
IRR Valid
Twilio SendGrid 256
159.183.240.0/22
IRR Valid
Twilio SendGrid 1024
159.183.244.0/22
IRR Valid
Twilio SendGrid 1024
167.89.0.0/18
IRR Valid
SendGrid, Inc. 16384
167.89.64.0/19
IRR Valid
SendGrid, Inc. 8192
167.89.96.0/20
IRR Valid
SendGrid, Inc. 4096
167.89.112.0/24
IRR Valid
SendGrid, Inc. 256
167.89.113.0/24
IRR Valid
SendGrid, Inc. 256
167.89.114.0/23
IRR Valid
SendGrid, Inc. 512
167.89.117.0/24
IRR Valid
SendGrid, Inc. 256
167.89.118.0/24
IRR Valid
SendGrid, Inc. 256
167.89.119.0/24
IRR Valid
SendGrid, Inc. 256
167.89.120.0/23
IRR Valid
SendGrid, Inc. 512
167.89.122.0/23
IRR Valid
SendGrid, Inc. 512
167.89.124.0/23
IRR Valid
SendGrid, Inc. 512
167.89.126.0/23
IRR Valid
SendGrid, Inc. 512
168.245.0.0/18
IRR Valid
SendGrid, Inc. 16384
168.245.64.0/20
IRR Valid
SendGrid, Inc. 4096
168.245.80.0/22
IRR Valid
SendGrid, Inc. 1024
168.245.84.0/22
IRR Valid
SendGrid, Inc. 1024
168.245.88.0/22
IRR Valid
SendGrid, Inc. 1024
168.245.92.0/22
IRR Valid
SendGrid, Inc. 1024
168.245.96.0/19
IRR Valid
SendGrid, Inc. 8192
192.254.112.0/20
IRR Valid
SendGrid, Inc. 4096
198.21.0.0/21
IRR Valid
SendGrid, Inc. 2048
198.37.144.0/20
IRR Valid
SendGrid, Inc. 4096
208.117.48.0/21
IRR Valid
SendGrid, Inc. 2048
208.117.56.0/21
IRR Valid
SendGrid, Inc. 2048
216.20.0.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.4.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.8.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.12.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.16.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.20.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.24.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.28.0/22
IRR Parent Valid
North Shore Regional Voc Schools 1024
216.20.32.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.36.0/22
IRR Parent Valid
Westborough Public Schools 1024
216.20.40.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.44.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.48.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.52.0/22
IRR Parent Valid
Fall River Public Schools (C01911042) 1024
216.20.56.0/22
IRR Parent Valid
Billerica, Town of 1024
216.20.60.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.64.0/22
IRR Parent Valid
Acton-Boxborough Reg School District 1024
216.20.68.0/22
IRR Parent Valid
Groton Dunstable Regional School District 1024
216.20.72.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.76.0/22
IRR Parent Valid
Everett Public Schools 1024
216.20.80.0/22
IRR Parent Valid
Quaboag Regional School District (C01911461) 1024
216.20.84.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.88.0/22
IRR Parent Valid
Manchester Public Schools 1024
216.20.92.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.96.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.100.0/22
IRR Parent Valid
Benjamin Bannecker Chtr School 1024
216.20.104.0/22
IRR Parent Valid
Old Rochester (C01911401) 1024
216.20.108.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.112.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.116.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.120.0/22
IRR Parent Valid
Twilio SendGrid 1024
216.20.124.0/22
IRR Parent Valid
Twilio SendGrid 1024
223.165.113.0/24
IRR Valid
SendGrid, Inc. 256
223.165.115.0/24
IRR Valid
SendGrid, Inc. 256
223.165.118.0/24
IRR Valid
SendGrid, Inc. 256
223.165.119.0/24
IRR Valid
SendGrid, Inc. 256
223.165.120.0/24
IRR Valid
SendGrid, Inc. 256
223.165.121.0/24
IRR Valid
SendGrid, Inc. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS852 ASN852 - TELUS Communications Inc., CA Canada 4,849,664 12,907,118,592 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS53828 NITEL - NETWORK INNOVATIONS, LLC, US United States 131,840 4,294,967,296 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 412,672 77,326,843,904 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 139,264 77,423,378,434 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126,720 118,226,945 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6,336,512 30,065,033,216 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 331,776 17,180,065,792 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 455,680 283,043,982,540,800 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4
AS16552 DIGICERT - Tiggee LLC, US United States 21,248 34,363,801,600 IPv4 IPv4
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 108,800 25,771,573,248 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,256 81,626,398,720 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,040 51,808,436,224 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 IPv4 IPv4
AS32709 1-JOINK - Joink, LLC, US United States 45,056 4,294,967,296 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4
AS701 UUNET - Verizon Business, US United States 41,644,032 1,249,852,784,640 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United States Equinix Ashburn - Equinix Internet Exchange Ashburn 206.126.238.13 2001:504:0:2:0:1:1377:2 100 Gbps 2021-12-02 19:29:48
United States Equinix Ashburn - Equinix Internet Exchange Ashburn 206.126.237.61 2001:504:0:2:0:1:1377:1 20 Gbps 2021-07-30 17:30:22
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.174 100 Gbps 2021-10-01 17:45:50
United States Equinix Chicago - Equinix Internet Exchange Chicago 208.115.136.178 100 Gbps 2021-10-01 17:45:50

Private Peering Facilities

Country / Region Name City Website Updated
Equinix DC1-DC15,DC21-DC22 - Ashburn Ashburn http://www.equinix.com/ 2020-09-30 19:18:52
Equinix CH1/CH2/CH4 - Chicago Chicago http://www.equinix.com/ 2020-09-30 19:18:38
DataBank Las Vegas (LAS1) Las Vegas https://www.databank.com/data-centers/las-vegas/las1/ 2020-09-30 19:18:26
Level(3) Herndon Herndon http://www.lumen.com/ 2020-09-30 19:11:58
DataBank Chicago (ORD1) Chicago https://www.databank.com/data-centers/chicago/600-south-federal-street/ 2020-09-30 19:05:46
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