159.183.164.28

  • Reverse DNS confirmed
  • Not on blocklists
Network
TWILI-11
Held by
Twilio SendGrid
Range
159.183.0.0 - 159.183.255.255
CIDR
159.183.0.0/16
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
abuse@sendgrid.com
Checked

Reverse DNS

Names
Forward check
Confirmedwfbtxqkc.outbound-mail.sendgrid.net resolves to 159.183.164.28

Network

Announced by
AS11377 SendGrid, Inc.
Route
159.183.128.0/18, carried by 2,501 of bgp.tools' BGP feeds
Country
US
Tagged
Anycast

Upstreams and peers

  • AS6461 Zayo Bandwidth252 paths
  • AS3356 Lumen (Level 3)245 paths
  • AS2914 NTT America, Inc.195 paths
  • AS701 Verizon Business190 paths
  • AS1299 Arelion (fka. Telia Carrier)124 paths
  • AS6939 Hurricane Electric LLC34 paths
  • AS13786 Seaborn (Seabras USA, LLC)4 paths
  • AS37468 Angola Cables3 paths
  • AS6057 Administracion Nacional de Telecomunicaciones2 paths
  • AS8220 COLT2 paths
  • AS7195 EdgeUno1 path
  • AS60171 AFR-IX TELECOM S.A.1 path

And 1 more

Downstreams

  • None seen

From RIPEstat

Routes AS11377 announces

139 IPv4 prefixes covering 262,144 addresses, and 0 IPv6 prefixes

From bgp.tools

Location

Map © OpenStreetMap contributors
Location
United States
Accuracy
Within 1,000 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

WHOIS

#
# 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.
#


NetRange:       159.183.0.0 - 159.183.255.255
CIDR:           159.183.0.0/16
NetName:        TWILI-11
NetHandle:      NET-159-183-0-0-1
Parent:         NET159 (NET-159-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Twilio SendGrid (TWILI-11)
RegDate:        2021-03-01
Updated:        2024-11-14
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/159.183.0.0


OrgName:        Twilio SendGrid
OrgId:          TWILI-11
Address:        Twilio, Inc.
Address:        375 Beale Street
Address:        Suite 300
City:           San Francisco
StateProv:      CA
PostalCode:     94105
Country:        US
RegDate:        2020-10-05
Updated:        2025-06-03
Comment:        https://www.sendgrid.com
Ref:            https://rdap.arin.net/registry/entity/TWILI-11


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

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


#
# 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.
#