- Registered on
- 28 Jun 2012 (13 years old)
- Registered to
- ARIN-SENDG-12 (arin)
- Network status
- Active, Allocated under ARIN
- Network type
- Content
- Prefixes Originated
- 131 IPv4, 0 IPv6
| Prefix | Description | |
|---|---|---|
|
50.31.32.0/20 | Twilio SendGrid |
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50.31.48.0/20 | Twilio SendGrid |
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134.128.64.0/19 | Twilio SendGrid |
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134.128.96.0/19 | Twilio SendGrid |
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149.72.1.0/24 | SendGrid, Inc. |
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149.72.2.0/23 | SendGrid, Inc. |
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149.72.4.0/22 | SendGrid, Inc. |
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149.72.8.0/22 | SendGrid, Inc. |
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149.72.12.0/22 | SendGrid, Inc. |
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149.72.19.0/24 | SendGrid, Inc. |
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149.72.20.0/22 | SendGrid, Inc. |
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149.72.24.0/21 | SendGrid, Inc. |
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149.72.32.0/19 | SendGrid, Inc. |
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149.72.64.0/19 | SendGrid, Inc. |
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149.72.96.0/23 | SendGrid, Inc. |
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149.72.98.0/23 | SendGrid, Inc. |
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149.72.112.0/20 | SendGrid, Inc. |
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149.72.128.0/19 | SendGrid, Inc. |
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149.72.160.0/19 | SendGrid, Inc. |
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149.72.192.0/19 | SendGrid, Inc. |
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149.72.224.0/19 | SendGrid, Inc. |
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|
159.26.160.0/22 | Twilio SendGrid |
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|
159.26.164.0/22 | Twilio SendGrid |
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159.26.168.0/22 | Twilio SendGrid |
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159.26.172.0/22 | Twilio SendGrid |
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159.26.176.0/22 | Twilio SendGrid |
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|
159.26.180.0/22 | Twilio SendGrid |
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|
159.26.184.0/22 | Twilio SendGrid |
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|
159.26.188.0/22 | Twilio SendGrid |
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|
159.183.0.0/19 | Twilio SendGrid |
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|
159.183.32.0/24 | Twilio SendGrid |
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|
159.183.33.0/24 | Twilio SendGrid |
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|
159.183.34.0/24 | Twilio SendGrid |
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|
159.183.35.0/24 | Twilio SendGrid |
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159.183.36.0/24 | Twilio SendGrid |
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|
159.183.37.0/24 | Twilio SendGrid |
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|
159.183.38.0/24 | Twilio SendGrid |
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|
159.183.39.0/24 | Twilio SendGrid |
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159.183.40.0/24 | Twilio SendGrid |
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|
159.183.41.0/24 | Twilio SendGrid |
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|
159.183.42.0/24 | Twilio SendGrid |
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|
159.183.43.0/24 | Twilio SendGrid |
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|
159.183.44.0/24 | Twilio SendGrid |
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159.183.45.0/24 | Twilio SendGrid |
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159.183.46.0/24 | Twilio SendGrid |
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159.183.47.0/24 | Twilio SendGrid |
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|
159.183.64.0/18 | Twilio SendGrid |
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|
159.183.128.0/18 | Twilio SendGrid |
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159.183.192.0/19 | Twilio SendGrid |
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159.183.224.0/24 | Twilio SendGrid |
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159.183.225.0/24 | Twilio SendGrid |
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159.183.226.0/24 | Twilio SendGrid |
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159.183.227.0/24 | Twilio SendGrid |
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159.183.228.0/24 | Twilio SendGrid |
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159.183.229.0/24 | Twilio SendGrid |
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159.183.230.0/24 | Twilio SendGrid |
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159.183.231.0/24 | Twilio SendGrid |
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159.183.232.0/24 | Twilio SendGrid |
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159.183.233.0/24 | Twilio SendGrid |
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159.183.234.0/24 | Twilio SendGrid |
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159.183.235.0/24 | Twilio SendGrid |
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159.183.236.0/24 | Twilio SendGrid |
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159.183.237.0/24 | Twilio SendGrid |
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159.183.238.0/24 | Twilio SendGrid |
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159.183.239.0/24 | Twilio SendGrid |
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159.183.240.0/22 | Twilio SendGrid |
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|
159.183.244.0/22 | Twilio SendGrid |
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|
167.89.0.0/18 | SendGrid, Inc. |
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167.89.64.0/19 | SendGrid, Inc. |
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167.89.96.0/20 | SendGrid, Inc. |
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167.89.112.0/24 | SendGrid, Inc. |
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167.89.113.0/24 | SendGrid, Inc. |
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167.89.114.0/23 | SendGrid, Inc. |
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167.89.116.0/24 | SendGrid, Inc. |
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167.89.117.0/24 | SendGrid, Inc. |
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167.89.118.0/24 | SendGrid, Inc. |
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167.89.119.0/24 | SendGrid, Inc. |
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167.89.120.0/23 | SendGrid, Inc. |
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167.89.122.0/23 | SendGrid, Inc. |
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|
167.89.124.0/23 | SendGrid, Inc. |
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167.89.126.0/23 | SendGrid, Inc. |
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168.245.0.0/18 | SendGrid, Inc. |
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168.245.64.0/20 | SendGrid, Inc. |
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168.245.80.0/22 | SendGrid, Inc. |
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168.245.84.0/22 | SendGrid, Inc. |
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168.245.88.0/22 | SendGrid, Inc. |
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168.245.92.0/22 | SendGrid, Inc. |
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168.245.96.0/19 | SendGrid, Inc. |
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|
192.254.112.0/20 | SendGrid, Inc. |
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198.21.0.0/21 | SendGrid, Inc. |
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198.37.144.0/20 | SendGrid, Inc. |
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208.117.48.0/21 | Twilio SendGrid |
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|
208.117.56.0/21 | Twilio SendGrid |
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|
216.20.0.0/22 | Twilio SendGrid |
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216.20.4.0/22 | Twilio SendGrid |
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216.20.8.0/22 | Twilio SendGrid |
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216.20.12.0/22 | Twilio SendGrid |
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216.20.16.0/22 | Twilio SendGrid |
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|
216.20.20.0/22 | Twilio SendGrid |
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216.20.24.0/22 | Twilio SendGrid |
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|
216.20.28.0/22 | Twilio SendGrid |
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216.20.32.0/22 | Twilio SendGrid |
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216.20.36.0/22 | Twilio SendGrid |
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|
216.20.40.0/22 | Twilio SendGrid |
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216.20.44.0/22 | Twilio SendGrid |
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|
216.20.48.0/22 | Twilio SendGrid |
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216.20.52.0/22 | Twilio SendGrid |
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216.20.56.0/22 | Twilio SendGrid |
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|
216.20.60.0/22 | Twilio SendGrid |
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|
216.20.64.0/22 | Twilio SendGrid |
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|
216.20.68.0/22 | Twilio SendGrid |
|
|
216.20.72.0/22 | Twilio SendGrid |
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|
216.20.76.0/22 | Twilio SendGrid |
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|
216.20.80.0/22 | Twilio SendGrid |
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|
216.20.84.0/22 | Twilio SendGrid |
|
|
216.20.88.0/22 | Twilio SendGrid |
|
|
216.20.92.0/22 | Twilio SendGrid |
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216.20.96.0/22 | Twilio SendGrid |
|
|
216.20.100.0/22 | Twilio SendGrid |
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|
216.20.104.0/22 | Twilio SendGrid |
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216.20.108.0/22 | Twilio SendGrid |
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216.20.112.0/22 | Twilio SendGrid |
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|
216.20.116.0/22 | Twilio SendGrid |
|
|
216.20.120.0/22 | Twilio SendGrid |
|
|
216.20.124.0/22 | Twilio SendGrid |
|
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223.165.113.0/24 | SendGrid, Inc. |
|
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223.165.115.0/24 | SendGrid, Inc. |
|
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223.165.118.0/24 | SendGrid, Inc. |
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223.165.119.0/24 | SendGrid, Inc. |
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223.165.120.0/24 | SendGrid, Inc. |
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223.165.121.0/24 | SendGrid, Inc. |
Network Policy
Click here to learn more about what this graph means and what makes up a network policy
Chart Display Options
Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
|
AS3356 | Lumen (Level 3) | ✔ | ✘ |
|
AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✘ |
|
|
AS6461 | Zayo Bandwidth | ✔ | ✘ |
|
|
AS2914 | NTT America, Inc. | ✔ | ✘ |
|
|
AS701 | Verizon Business | ✔ | ✘ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS3356 | Lumen (Level 3) | ✔ | ✘ |
|
AS6461 | Zayo Bandwidth | ✔ | ✘ |
|
AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✘ |
|
AS2914 | NTT America, Inc. | ✔ | ✘ |
|
AS701 | Verizon Business | ✔ | ✘ |
|
AS6939 | Hurricane Electric LLC | ✔ | ✘ |
 |
AS137409 | GSL Networks Pty LTD | ✔ | ✘ |
 |
AS6204 | INTERKVM HOST SRL | ✔ | ✘ |
 |
AS835 | GoCodeIT Inc | ✔ | ✘ |
 |
AS7195 | EdgeUno | ✔ | ✘ |
 |
AS37468 | Angola Cables | ✔ | ✘ |
 |
AS199524 | Gcore S.A. | ✔ | ✘ |
 |
AS8220 | COLT | ✔ | ✘ |
 |
AS49544 | i3D.net B.V | ✔ | ✘ |
|
AS4826 | Vocus Connect International Backbone | ✔ | ✘ |
|
AS13786 | Seaborn (Seabras USA, LLC) | ✔ | ✘ |
|
AS399728 | P Foundation | ✔ | ✘ |
|
AS11232 | Midcontinent Communications | ✔ | ✘ |
|
AS1828 | Unitas Global | ✔ | ✘ |
|
AS18678 | INTERNEXA S.A. E.S.P | ✔ | ✘ |
 |
AS21559 | OSNET | ✔ | ✘ |
|
AS36236 | NetActuate, Inc | ✔ | ✘ |
 |
AS5405 | Inter.link GmbH | ✔ | ✘ |
|
AS62642 | Bigleaf Networks, Inc. | ✔ | ✘ |
 |
AS45701 | PT Internet Madju Abad Milenindo | ✔ | ✘ |
 |
AS18403 | FPT Telecom Company | ✔ | ✘ |
|
AS32133 | Ting Fiber Inc. | ✔ | ✘ |
|
AS40217 | DACS-NX | ✔ | ✘ |
|
AS10242 | US Internet Corp | ✔ | ✘ |
|
AS32709 | Joink, LLC | ✔ | ✘ |
|
AS13335 | Cloudflare, Inc. | ✔ | ✘ |
 |
AS24482 | SG.GS | ✔ | ✘ |
 |
AS28283 | Adyl Telecom | ✔ | ✘ |
|
AS62887 | WhiteSky Communications, LLC. | ✔ | ✘ |
|
AS262589 | SAMM (Internexa) | ✔ | ✘ |
 |
AS60171 | AFR-IX TELECOM S.A. | ✔ | ✘ |
|
AS19684 | Latigo, LLC | ✔ | ✘ |
|
AS2635 | Automattic, Inc | ✔ | ✘ |
|
AS400940 | Railway | ✔ | ✘ |
|
AS3223 | Voxility LLP | ✔ | ✘ |
|
AS4455 | IX Reach Ltd | ✔ | ✘ |
|
AS20473 | The Constant Company, LLC | ✔ | ✘ |
|
AS32590 | Valve Corporation | ✔ | ✘ |
|
AS14907 | Wikimedia Foundation Inc. | ✔ | ✘ |
|
AS53597 | Hoyos Consulting LLC | ✔ | ✘ |
|
AS293 | ESnet | ✔ | ✘ |
|
AS3737 | PenTeleData Inc. | ✔ | ✘ |
|
AS15169 | Google LLC | ✔ | ✘ |
|
AS396238 | City of Fairlawn DBA FairlawnGig | ✔ | ✘ |
ASHandle: AS11377 OrgID: SENDG-12 ASName: SENDGRID ASNumber: 11377 RegDate: 2012-06-28 Updated: 2012-06-28 Source: ARIN OrgID: SENDG-12 OrgName: SendGrid, Inc. CanAllocate: Street: Twilio, Inc. Street: 1801 California Street Street: Suite 500 City: Denver State/Prov: CO Country: US PostalCode: 80202 Comment: http://www.sendgrid.com Comment: (888) 985-8363 Comment: Support hours: M-F, 7a-7p Mountain Time. RegDate: 2012-06-14 Updated: 2025-06-12 OrgAdminHandle: TSNO-ARIN OrgTechHandle: TALSM-ARIN OrgTechHandle: TSNO-ARIN OrgAbuseHandle: ABUSE3074-ARIN Source: ARIN OrgAdminHandle: TSNO-ARIN OrgAdminName: Twilio SendGrid Network Operations # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: TALSM-ARIN OrgTechName: Jack Talsma # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: TSNO-ARIN OrgTechName: Twilio SendGrid Network Operations # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: ABUSE3074-ARIN OrgAbuseName: Abuse Desk # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-03-13T03:27:33Z UTC
Member of the following AS-SETs
| - | Member | ASN Count |
|---|---|---|
| RADB | as-steadfast | 27 |
| LEVEL3 | as-lumen-customers-asns | 10695 |
| ALTDB | as-steadfast | 27 |
| NTTCOM | as2914:as-us-v6 | 72350 |
| LEVEL3 | as-level3-transits | 1364 |
| RADB | as19551:as-imperva | 276 |
| LEVEL3 | as-crawford | 11 |
| RADB | as-ed-sjo | 70 |
| RIPE | as-19551 | 44 |
| NTTCOM | as2914:as-us | 72772 |
- PeeringDB AS-SET:
- AS-SENDGRID
- Suggested Prefix Limits
-
IPv4: 75
IPv6: 3
Internet Exchange Points
| Name | IPv4 | IPv6 | Link Speed | |
|---|---|---|---|---|
|
Equinix Ashburn | 206.126.238.13 | 2001:504:0:2:0:1:1377:2 | 100 gbps |
|
Equinix Chicago | 208.115.136.174 | 100 gbps | |
|
Equinix Chicago | 208.115.136.178 | 100 gbps | |
|
Equinix Ashburn | 206.126.237.61 | 2001:504:0:2:0:1:1377:1 | 20 gbps |