AS Number
AS11377
AS Name
SENDGRID
Org Name
SendGrid, Inc.
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

263,936 IPv4 Addresses
CIDR Description IP Num
50.31.32.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
50.31.48.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
134.128.64.0/19
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 8192
134.128.96.0/19
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 8192
137.22.245.0/24
ROA Signed and Valid
SendGrid, Inc. 256
137.22.246.0/24
ROA Signed and Valid
SendGrid, Inc. 256
149.72.1.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
149.72.2.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
149.72.4.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
149.72.8.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
149.72.12.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
149.72.19.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
149.72.20.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
149.72.24.0/21
ROA Signed and Valid IRR Valid
SendGrid, Inc. 2048
149.72.32.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
149.72.64.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
149.72.96.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
149.72.98.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
149.72.112.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
149.72.128.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
149.72.160.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
149.72.192.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
149.72.224.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
159.26.176.0/24
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 256
159.26.177.0/24
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 256
159.26.178.0/24
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 256
159.26.179.0/24
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 256
159.26.180.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
159.26.184.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
159.26.188.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
159.183.0.0/19
ROA Signed and Valid IRR Valid
Twilio SendGrid 8192
159.183.32.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.33.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.34.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.35.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.36.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.37.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.38.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.39.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.40.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.41.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.42.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.43.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.44.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.45.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.46.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.47.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.64.0/18
ROA Signed and Valid IRR Valid
Twilio SendGrid 16384
159.183.128.0/18
ROA Signed and Valid IRR Valid
Twilio SendGrid 16384
159.183.192.0/19
ROA Signed and Valid 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
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.227.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.228.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.229.0/24
IRR Valid
Twilio SendGrid 256
159.183.230.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.231.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.232.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.233.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.234.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.235.0/24
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.236.0/24
ROA Signed and Valid 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
ROA Signed and Valid IRR Valid
Twilio SendGrid 256
159.183.240.0/22
ROA Signed and Valid IRR Valid
Twilio SendGrid 1024
159.183.244.0/22
ROA Signed and Valid IRR Valid
Twilio SendGrid 1024
167.89.0.0/18
ROA Signed and Valid IRR Valid
SendGrid, Inc. 16384
167.89.64.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
167.89.96.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
167.89.112.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
167.89.113.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
167.89.114.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
167.89.117.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
167.89.118.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
167.89.119.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
167.89.120.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
167.89.122.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
167.89.124.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
167.89.126.0/23
ROA Signed and Valid IRR Valid
SendGrid, Inc. 512
168.245.0.0/18
ROA Signed and Valid IRR Valid
SendGrid, Inc. 16384
168.245.64.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
168.245.80.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
168.245.84.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
168.245.88.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
168.245.92.0/22
ROA Signed and Valid IRR Valid
SendGrid, Inc. 1024
168.245.96.0/19
ROA Signed and Valid IRR Valid
SendGrid, Inc. 8192
192.254.112.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
198.21.0.0/21
ROA Signed and Valid IRR Valid
SendGrid, Inc. 2048
198.37.144.0/20
ROA Signed and Valid IRR Valid
SendGrid, Inc. 4096
208.117.48.0/21
ROA Signed and Valid IRR Valid
SendGrid, Inc. 2048
208.117.56.0/21
ROA Signed and Valid IRR Valid
SendGrid, Inc. 2048
216.20.0.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.4.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.8.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.12.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.16.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.20.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.24.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.28.0/22
ROA Signed and Valid IRR Parent Valid
North Shore Regional Voc Schools 1024
216.20.32.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.36.0/22
ROA Signed and Valid IRR Parent Valid
Westborough Public Schools 1024
216.20.40.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.44.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.48.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.52.0/22
ROA Signed and Valid IRR Parent Valid
Fall River Public Schools (C01911042) 1024
216.20.56.0/22
ROA Signed and Valid IRR Parent Valid
Billerica, Town of 1024
216.20.60.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.64.0/22
ROA Signed and Valid IRR Parent Valid
Acton-Boxborough Reg School District 1024
216.20.68.0/22
ROA Signed and Valid IRR Parent Valid
Groton Dunstable Regional School District 1024
216.20.72.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.76.0/22
ROA Signed and Valid IRR Parent Valid
Everett Public Schools 1024
216.20.80.0/22
ROA Signed and Valid IRR Parent Valid
Quaboag Regional School District (C01911461) 1024
216.20.84.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.88.0/22
ROA Signed and Valid IRR Parent Valid
Manchester Public Schools 1024
216.20.92.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.96.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.100.0/22
ROA Signed and Valid IRR Parent Valid
Benjamin Bannecker Chtr School 1024
216.20.104.0/22
ROA Signed and Valid IRR Parent Valid
Old Rochester (C01911401) 1024
216.20.108.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.112.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.116.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.120.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
216.20.124.0/22
ROA Signed and Valid IRR Parent Valid
Twilio SendGrid 1024
223.165.113.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
223.165.115.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
223.165.118.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
223.165.119.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
223.165.120.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
223.165.121.0/24
ROA Signed and Valid IRR Valid
SendGrid, Inc. 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS701 UUNET - Verizon Business, US United States 41,645,056 1,249,852,784,640 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 428,032 77,326,843,904 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 109,312 25,771,835,392 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,144 17,180,065,792 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 457,216 282,636,229,083,136 IPv4 IPv4
AS13786 SEABORN - Seabras 1 USA, LLC, US United States 3,072 8,589,934,592 IPv4 IPv4
AS16552 DIGICERT - Tiggee LLC, US United States 21,248 34,363,801,600 IPv4 IPv4
AS19653 CTSTELECOM - CTS Communications Corp, US United States 61,952 4,294,967,296 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 132,096 4,294,967,296 IPv4 IPv4
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,750,016 52,076,871,680 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,576 25,770,590,208 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 116,992 77,422,657,538 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
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 117,248 356,753,080,320 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 127,744 115,933,184 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,880,384 81,609,883,648 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS32709 1-JOINK - Joink, LLC, US United States 45,056 4,294,967,296 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6,289,664 30,065,033,216 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,000 12,884,967,424 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,584 268,501,000 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 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
DataBank Las Vegas (LAS1) Las Vegas https://www.databank.com/data-centers/las-vegas/las1/ 2020-09-30 19:18:26
DataBank Chicago (ORD1) Chicago https://www.databank.com/data-centers/chicago/600-south-federal-street/ 2020-09-30 19:05:46
Level(3) Herndon Herndon http://www.lumen.com/ 2020-09-30 19:11:58
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
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