AS11377 SendGrid, Inc.

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SendGrid, Inc.

AS Number 11377
Website https://sendgrid.com/

Overview
Prefixes
Connectivity
Whois
IX

Registered on: 28 Jun 2012 (12 years old)
Registered to: ARIN-SENDG-12 (arin)

Network status: Active, Allocated under ARIN

Network type: Content

Prefixes Originated: 94 IPv4, 0 IPv6

Upstreams

AS3356 - Lumen (Level 3)
AS1299 - Arelion (fka. Telia Carrier)
AS2914 - NTT America, Inc.
AS6461 - Zayo Bandwidth
AS701 - Verizon Business

Locations of Operation

United States

	Prefix	Description
	50.31.32.0/20	SendGrid, Inc.
	50.31.48.0/20	SendGrid, Inc.
	149.72.1.0/24	SendGrid, Inc.
	149.72.2.0/23	SendGrid, Inc.
	149.72.4.0/22	SendGrid, Inc.
	149.72.8.0/22	SendGrid, Inc.
	149.72.12.0/22	SendGrid, Inc.
	149.72.19.0/24	SendGrid, Inc.
	149.72.20.0/22	SendGrid, Inc.
	149.72.24.0/21	SendGrid, Inc.
	149.72.32.0/19	SendGrid, Inc.
	149.72.64.0/19	SendGrid, Inc.
	149.72.96.0/23	SendGrid, Inc.
	149.72.98.0/23	SendGrid, Inc.
	149.72.104.0/23	SendGrid, Inc.
	149.72.112.0/20	SendGrid, Inc.
	149.72.128.0/19	SendGrid, Inc.
	149.72.160.0/19	SendGrid, Inc.
	149.72.192.0/19	SendGrid, Inc.
	149.72.224.0/19	SendGrid, Inc.
	159.183.0.0/19	Twilio SendGrid
	159.183.32.0/24	Twilio SendGrid
	159.183.33.0/24	Twilio SendGrid
	159.183.34.0/24	Twilio SendGrid
	159.183.35.0/24	Twilio SendGrid
	159.183.36.0/24	Twilio SendGrid
	159.183.37.0/24	Twilio SendGrid
	159.183.38.0/24	Twilio SendGrid
	159.183.39.0/24	Twilio SendGrid
	159.183.40.0/24	Twilio SendGrid
	159.183.41.0/24	Twilio SendGrid
	159.183.42.0/24	Twilio SendGrid
	159.183.43.0/24	Twilio SendGrid
	159.183.44.0/24	Twilio SendGrid
	159.183.45.0/24	Twilio SendGrid
	159.183.46.0/24	Twilio SendGrid
	159.183.47.0/24	Twilio SendGrid
	159.183.61.0/24	Twilio SendGrid
	159.183.62.0/24	Twilio SendGrid
	159.183.63.0/24	Twilio SendGrid
	159.183.64.0/18	Twilio SendGrid
	159.183.128.0/18	Twilio SendGrid
	159.183.192.0/19	Twilio SendGrid
	159.183.224.0/24	Twilio SendGrid
	159.183.225.0/24	Twilio SendGrid
	159.183.226.0/24	Twilio SendGrid
	159.183.227.0/24	Twilio SendGrid
	159.183.228.0/24	Twilio SendGrid
	159.183.229.0/24	Twilio SendGrid
	159.183.230.0/24	Twilio SendGrid
	159.183.231.0/24	Twilio SendGrid
	159.183.232.0/24	Twilio SendGrid
	159.183.233.0/24	Twilio SendGrid
	159.183.234.0/24	Twilio SendGrid
	159.183.235.0/24	Twilio SendGrid
	159.183.236.0/24	Twilio SendGrid
	159.183.237.0/24	Twilio SendGrid
	159.183.238.0/24	Twilio SendGrid
	159.183.239.0/24	Twilio SendGrid
	159.183.240.0/22	Twilio SendGrid
	159.183.244.0/22	Twilio SendGrid
	159.183.248.0/22	Twilio SendGrid
	167.89.0.0/18	SendGrid, Inc.
	167.89.64.0/19	SendGrid, Inc.
	167.89.96.0/20	SendGrid, Inc.
	167.89.112.0/24	SendGrid, Inc.
	167.89.113.0/24	SendGrid, Inc.
	167.89.114.0/23	SendGrid, Inc.
	167.89.116.0/24	SendGrid, Inc.
	167.89.117.0/24	SendGrid, Inc.
	167.89.118.0/24	SendGrid, Inc.
	167.89.119.0/24	SendGrid, Inc.
	167.89.120.0/23	SendGrid, Inc.
	167.89.122.0/23	SendGrid, Inc.
	167.89.124.0/23	SendGrid, Inc.
	167.89.126.0/23	SendGrid, Inc.
	168.245.0.0/18	SendGrid, Inc.
	168.245.64.0/20	SendGrid, Inc.
	168.245.80.0/22	SendGrid, Inc.
	168.245.84.0/22	SendGrid, Inc.
	168.245.88.0/22	SendGrid, Inc.
	168.245.92.0/22	SendGrid, Inc.
	168.245.96.0/19	SendGrid, Inc.
	192.254.112.0/20	SendGrid, Inc.
	198.21.0.0/21	SendGrid, Inc.
	198.37.144.0/20	SendGrid, Inc.
	208.117.48.0/21	SendGrid, Inc.
	208.117.56.0/21	SendGrid, Inc.
	223.165.113.0/24	SendGrid, Inc.
	223.165.115.0/24	SendGrid, Inc.
	223.165.118.0/24	SendGrid, Inc.
	223.165.119.0/24	SendGrid, Inc.
	223.165.120.0/24	SendGrid, Inc.
	223.165.121.0/24	SendGrid, Inc.

Upstreams: 5

Peers: 40

Network Policy

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Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✘
AS1299	Arelion (fka. Telia Carrier)	✔	✘
AS2914	NTT America, Inc.	✔	✘
AS6461	Zayo Bandwidth	✔	✘
AS701	Verizon Business	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✘
AS1299	Arelion (fka. Telia Carrier)	✔	✘
AS6461	Zayo Bandwidth	✔	✘
AS2914	NTT America, Inc.	✔	✘
AS6939	Hurricane Electric LLC	✔	✘
AS701	Verizon Business	✔	✘
AS137409	GSL Networks Pty LTD	✔	✘
AS4826	Vocus Connect International Backbone	✔	✘
AS6204	INTERKVM HOST SRL	✔	✘
AS49544	i3D.net B.V	✔	✘
AS7195	EdgeUno	✔	✘
AS37468	Angola Cables	✔	✘
AS40217	DACS-NX	✔	✘
AS11232	Midcontinent Communications	✔	✘
AS62642	Bigleaf Networks, Inc.	✔	✘
AS1820	WNET TELECOM USA Corp.	✔	✘
AS24482	SG.GS	✔	✘
AS1828	Unitas Global	✔	✘
AS835	GoCodeIT Inc	✔	✘
AS8220	COLT	✔	✘
AS15169	Google LLC	✔	✘
AS37721	Virtual Technologies & Solutions	✔	✘
AS398465	Rackdog LLC	✔	✘
AS36236	NetActuate, Inc	✔	✘
AS13335	Cloudflare, Inc.	✔	✘
AS396238	City of Fairlawn DBA FairlawnGig	✔	✘
AS13786	Seaborn (Seabras USA, LLC)	✔	✘
AS400940	Railway	✔	✘
AS3223	Voxility LLP	✔	✘
AS28283	Adylnet Telecom	✔	✘
AS2635	Automattic, Inc	✔	✘
AS3737	PenTeleData Inc.	✔	✘
AS6057	Administracion Nacional de Telecomunicaciones	✔	✘
AS62887	WhiteSky Communications, LLC.	✔	✘
AS4455	IX Reach Ltd	✔	✘
AS20473	The Constant Company, LLC	✔	✘
AS14907	Wikimedia Foundation Inc.	✔	✘
AS53597	Hoyos Consulting LLC	✔	✘
AS10242	US Internet Corp	✔	✘
AS60171	AFR-IX TELECOM S.A.	✔	✘

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:        2024-11-25
OrgAdminHandle: TSNO-ARIN
OrgTechHandle:  CTG2-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:        CTG2-ARIN
OrgTechName:          Carl Guething
# 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 emails

Last Update: 2025-04-14T03:32:17Z UTC

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ed-sjo	69
LEVEL3	as-level3-transits	1364
LEVEL3	as-crawford	11
NTTCOM	as2914:as-us	61700
RIPE	as-19551	44
NTTCOM	as2914:as-us-v6	61232
RADB	as19551:as-imperva	276
ALTDB	as-steadfast	27
RADB	as-steadfast	27

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

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Upstreams

Locations of Operation

Network Policy

Prefixes in selected policy

Upstreams

Peers

Member of the following AS-SETs

Internet Exchange Points