11377 SENDGRID, US
Adjacency: 7 Upstream: 7 Downstream: 0
Upstream Adjacent AS list
AS293 ESNET, US
AS6939 HURRICANE, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS2914 NTT-LTD-2914, US
AS3356 LEVEL3, US
AS6461 ZAYO-6461, US
AS701 UUNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1052 AS11377 ORIGIN Originate: 263936 /13.99 Transit: 0 /0.00 SENDGRID, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 892 AS11377 SENDGRID, US 131 85 12 58 73 55.73% Prefix AS Path Aggregation Suggestion 50.31.32.0/19 6939 11377 + Announce - aggregate of 50.31.32.0/20 (6939 11377) and 50.31.48.0/20 (6939 11377) 50.31.32.0/20 6939 11377 - Withdrawn - aggregated with 50.31.48.0/20 (6939 11377) 50.31.48.0/20 6939 11377 - Withdrawn - aggregated with 50.31.32.0/20 (6939 11377) 134.128.64.0/19 6939 11377 134.128.96.0/19 2914 6461 11377 11377 137.22.245.0/24 6939 11377 137.22.246.0/24 6939 11377 149.72.1.0/24 2914 6461 11377 149.72.2.0/23 7018 6461 11377 149.72.4.0/22 6939 11377 149.72.8.0/22 7018 6461 11377 149.72.12.0/22 293 11377 149.72.19.0/24 2914 6461 11377 11377 149.72.20.0/22 2914 6461 11377 11377 149.72.24.0/21 2914 6461 11377 11377 149.72.32.0/19 6939 6461 11377 149.72.64.0/19 6939 11377 149.72.96.0/23 6939 11377 149.72.98.0/23 293 11377 149.72.112.0/20 2914 6461 11377 149.72.128.0/18 6939 11377 + Announce - aggregate of 149.72.128.0/19 (6939 11377) and 149.72.160.0/19 (6939 11377) 149.72.128.0/19 6939 11377 - Withdrawn - aggregated with 149.72.160.0/19 (6939 11377) 149.72.160.0/19 6939 11377 - Withdrawn - aggregated with 149.72.128.0/19 (6939 11377) 149.72.192.0/19 6939 6461 11377 149.72.224.0/19 6939 11377 159.26.176.0/22 6939 3356 11377 + Announce - aggregate of 159.26.176.0/23 (6939 3356 11377) and 159.26.178.0/23 (6939 3356 11377) 159.26.176.0/24 6939 3356 11377 - Withdrawn - aggregated with 159.26.177.0/24 (6939 3356 11377) 159.26.177.0/24 6939 3356 11377 - Withdrawn - aggregated with 159.26.176.0/24 (6939 3356 11377) 159.26.178.0/24 6939 3356 11377 - Withdrawn - aggregated with 159.26.179.0/24 (6939 3356 11377) 159.26.179.0/24 6939 3356 11377 - Withdrawn - aggregated with 159.26.178.0/24 (6939 3356 11377) 159.26.180.0/22 6939 11377 159.26.184.0/21 6939 11377 + Announce - aggregate of 159.26.184.0/22 (6939 11377) and 159.26.188.0/22 (6939 11377) 159.26.184.0/22 6939 11377 - Withdrawn - aggregated with 159.26.188.0/22 (6939 11377) 159.26.188.0/22 6939 11377 - Withdrawn - aggregated with 159.26.184.0/22 (6939 11377) 159.183.0.0/19 6939 6461 11377 159.183.32.0/20 49788 1299 11377 + Announce - aggregate of 159.183.32.0/21 (49788 1299 11377) and 159.183.40.0/21 (49788 1299 11377) 159.183.32.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.33.0/24 (49788 1299 11377) 159.183.33.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.32.0/24 (49788 1299 11377) 159.183.34.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.35.0/24 (49788 1299 11377) 159.183.35.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.34.0/24 (49788 1299 11377) 159.183.36.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.37.0/24 (49788 1299 11377) 159.183.37.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.36.0/24 (49788 1299 11377) 159.183.38.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.39.0/24 (49788 1299 11377) 159.183.39.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.38.0/24 (49788 1299 11377) 159.183.40.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.41.0/24 (49788 1299 11377) 159.183.41.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.40.0/24 (49788 1299 11377) 159.183.42.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.43.0/24 (49788 1299 11377) 159.183.43.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.42.0/24 (49788 1299 11377) 159.183.44.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.45.0/24 (49788 1299 11377) 159.183.45.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.44.0/24 (49788 1299 11377) 159.183.46.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.47.0/24 (49788 1299 11377) 159.183.47.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.46.0/24 (49788 1299 11377) 159.183.64.0/18 2914 6461 11377 11377 159.183.128.0/18 2914 6461 11377 11377 159.183.192.0/19 6939 11377 159.183.224.0/20 49788 1299 11377 + Announce - aggregate of 159.183.224.0/21 (49788 1299 11377) and 159.183.232.0/21 (49788 1299 11377) 159.183.224.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.225.0/24 (49788 1299 11377) 159.183.225.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.224.0/24 (49788 1299 11377) 159.183.226.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.227.0/24 (49788 1299 11377) 159.183.227.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.226.0/24 (49788 1299 11377) 159.183.228.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.229.0/24 (49788 1299 11377) 159.183.229.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.228.0/24 (49788 1299 11377) 159.183.230.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.231.0/24 (49788 1299 11377) 159.183.231.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.230.0/24 (49788 1299 11377) 159.183.232.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.233.0/24 (49788 1299 11377) 159.183.233.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.232.0/24 (49788 1299 11377) 159.183.234.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.235.0/24 (49788 1299 11377) 159.183.235.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.234.0/24 (49788 1299 11377) 159.183.236.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.237.0/24 (49788 1299 11377) 159.183.237.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.236.0/24 (49788 1299 11377) 159.183.238.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.239.0/24 (49788 1299 11377) 159.183.239.0/24 49788 1299 11377 - Withdrawn - aggregated with 159.183.238.0/24 (49788 1299 11377) 159.183.240.0/21 49788 1299 11377 + Announce - aggregate of 159.183.240.0/22 (49788 1299 11377) and 159.183.244.0/22 (49788 1299 11377) 159.183.240.0/22 49788 1299 11377 - Withdrawn - aggregated with 159.183.244.0/22 (49788 1299 11377) 159.183.244.0/22 49788 1299 11377 - Withdrawn - aggregated with 159.183.240.0/22 (49788 1299 11377) 167.89.0.0/18 2914 6461 11377 11377 167.89.64.0/19 6939 11377 167.89.96.0/20 2914 6461 11377 167.89.112.0/22 6939 11377 + Announce - aggregate of 167.89.112.0/23 (6939 11377) and 167.89.114.0/23 (6939 11377) 167.89.112.0/24 6939 11377 - Withdrawn - aggregated with 167.89.113.0/24 (6939 11377) 167.89.113.0/24 6939 11377 - Withdrawn - aggregated with 167.89.112.0/24 (6939 11377) 167.89.114.0/23 6939 11377 - Withdrawn - aggregated with 167.89.112.0/23 (6939 11377) 167.89.117.0/24 293 11377 167.89.118.0/24 7018 6461 11377 167.89.119.0/24 6939 11377 167.89.120.0/23 7018 6461 11377 167.89.122.0/23 293 11377 167.89.124.0/23 293 11377 167.89.126.0/23 2914 6461 11377 168.245.0.0/18 6939 11377 168.245.64.0/20 6939 11377 168.245.80.0/22 6939 11377 168.245.84.0/22 7018 6461 11377 168.245.88.0/22 293 11377 168.245.92.0/22 6939 11377 168.245.96.0/19 6939 11377 192.254.112.0/20 2914 6461 11377 198.21.0.0/21 2914 6461 11377 11377 198.37.144.0/20 2914 6461 11377 208.117.48.0/20 6939 11377 + Announce - aggregate of 208.117.48.0/21 (6939 11377) and 208.117.56.0/21 (6939 11377) 208.117.48.0/21 6939 11377 - Withdrawn - aggregated with 208.117.56.0/21 (6939 11377) 208.117.56.0/21 6939 11377 - Withdrawn - aggregated with 208.117.48.0/21 (6939 11377) 216.20.0.0/17 6939 11377 + Announce - aggregate of 216.20.0.0/18 (6939 11377) and 216.20.64.0/18 (6939 11377) 216.20.0.0/22 6939 11377 - Withdrawn - aggregated with 216.20.4.0/22 (6939 11377) 216.20.4.0/22 6939 11377 - Withdrawn - aggregated with 216.20.0.0/22 (6939 11377) 216.20.8.0/22 6939 11377 - Withdrawn - aggregated with 216.20.12.0/22 (6939 11377) 216.20.12.0/22 6939 11377 - Withdrawn - aggregated with 216.20.8.0/22 (6939 11377) 216.20.16.0/22 6939 11377 - Withdrawn - aggregated with 216.20.20.0/22 (6939 11377) 216.20.20.0/22 6939 11377 - Withdrawn - aggregated with 216.20.16.0/22 (6939 11377) 216.20.24.0/22 6939 11377 - Withdrawn - aggregated with 216.20.28.0/22 (6939 11377) 216.20.28.0/22 6939 11377 - Withdrawn - aggregated with 216.20.24.0/22 (6939 11377) 216.20.32.0/22 6939 11377 - Withdrawn - aggregated with 216.20.36.0/22 (6939 11377) 216.20.36.0/22 6939 11377 - Withdrawn - aggregated with 216.20.32.0/22 (6939 11377) 216.20.40.0/22 6939 11377 - Withdrawn - aggregated with 216.20.44.0/22 (6939 11377) 216.20.44.0/22 6939 11377 - Withdrawn - aggregated with 216.20.40.0/22 (6939 11377) 216.20.48.0/22 6939 11377 - Withdrawn - aggregated with 216.20.52.0/22 (6939 11377) 216.20.52.0/22 6939 11377 - Withdrawn - aggregated with 216.20.48.0/22 (6939 11377) 216.20.56.0/22 6939 11377 - Withdrawn - aggregated with 216.20.60.0/22 (6939 11377) 216.20.60.0/22 6939 11377 - Withdrawn - aggregated with 216.20.56.0/22 (6939 11377) 216.20.64.0/22 6939 11377 - Withdrawn - aggregated with 216.20.68.0/22 (6939 11377) 216.20.68.0/22 6939 11377 - Withdrawn - aggregated with 216.20.64.0/22 (6939 11377) 216.20.72.0/22 6939 11377 - Withdrawn - aggregated with 216.20.76.0/22 (6939 11377) 216.20.76.0/22 6939 11377 - Withdrawn - aggregated with 216.20.72.0/22 (6939 11377) 216.20.80.0/22 6939 11377 - Withdrawn - aggregated with 216.20.84.0/22 (6939 11377) 216.20.84.0/22 6939 11377 - Withdrawn - aggregated with 216.20.80.0/22 (6939 11377) 216.20.88.0/22 6939 11377 - Withdrawn - aggregated with 216.20.92.0/22 (6939 11377) 216.20.92.0/22 6939 11377 - Withdrawn - aggregated with 216.20.88.0/22 (6939 11377) 216.20.96.0/22 6939 11377 - Withdrawn - aggregated with 216.20.100.0/22 (6939 11377) 216.20.100.0/22 6939 11377 - Withdrawn - aggregated with 216.20.96.0/22 (6939 11377) 216.20.104.0/22 6939 11377 - Withdrawn - aggregated with 216.20.108.0/22 (6939 11377) 216.20.108.0/22 6939 11377 - Withdrawn - aggregated with 216.20.104.0/22 (6939 11377) 216.20.112.0/22 6939 11377 - Withdrawn - aggregated with 216.20.116.0/22 (6939 11377) 216.20.116.0/22 6939 11377 - Withdrawn - aggregated with 216.20.112.0/22 (6939 11377) 216.20.120.0/22 6939 11377 - Withdrawn - aggregated with 216.20.124.0/22 (6939 11377) 216.20.124.0/22 6939 11377 - Withdrawn - aggregated with 216.20.120.0/22 (6939 11377) 223.165.113.0/24 6939 11377 223.165.115.0/24 2914 6461 11377 223.165.118.0/23 6939 11377 + Announce - aggregate of 223.165.118.0/24 (6939 11377) and 223.165.119.0/24 (6939 11377) 223.165.118.0/24 6939 11377 - Withdrawn - aggregated with 223.165.119.0/24 (6939 11377) 223.165.119.0/24 6939 11377 - Withdrawn - aggregated with 223.165.118.0/24 (6939 11377) 223.165.120.0/23 6939 11377 + Announce - aggregate of 223.165.120.0/24 (6939 11377) and 223.165.121.0/24 (6939 11377) 223.165.120.0/24 6939 11377 - Withdrawn - aggregated with 223.165.121.0/24 (6939 11377) 223.165.121.0/24 6939 11377 - Withdrawn - aggregated with 223.165.120.0/24 (6939 11377)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11377 57 More Specifics 60 Total Advertisements SENDGRID, US
50.31.32.0/20 50.31.32.0/19
50.31.48.0/20 50.31.32.0/19
149.72.1.0/24 149.72.0.0/16
149.72.2.0/23 149.72.0.0/16
149.72.4.0/22 149.72.0.0/16
149.72.8.0/22 149.72.0.0/16
149.72.12.0/22 149.72.0.0/16
149.72.19.0/24 149.72.0.0/16
149.72.20.0/22 149.72.0.0/16
149.72.24.0/21 149.72.0.0/16
149.72.32.0/19 149.72.0.0/16
149.72.64.0/19 149.72.0.0/16
149.72.96.0/23 149.72.0.0/16
149.72.98.0/23 149.72.0.0/16
149.72.100.0/23 149.72.0.0/16
149.72.102.0/23 149.72.0.0/16
149.72.104.0/23 149.72.0.0/16
149.72.112.0/20 149.72.0.0/16
149.72.128.0/19 149.72.0.0/16
149.72.160.0/19 149.72.0.0/16
149.72.192.0/19 149.72.0.0/16
149.72.224.0/19 149.72.0.0/16
159.183.64.0/18 159.183.0.0/16
159.183.128.0/18 159.183.0.0/16
159.183.192.0/19 159.183.0.0/16
159.183.224.0/20 159.183.0.0/16
159.183.244.0/22 159.183.0.0/16
159.183.248.0/22 159.183.0.0/16
167.89.0.0/18 167.89.0.0/17
167.89.64.0/19 167.89.0.0/17
167.89.96.0/20 167.89.0.0/17
167.89.112.0/24 167.89.0.0/17
167.89.113.0/24 167.89.0.0/17
167.89.114.0/23 167.89.0.0/17
167.89.116.0/24 167.89.0.0/17
167.89.117.0/24 167.89.0.0/17
167.89.118.0/24 167.89.0.0/17
167.89.119.0/24 167.89.0.0/17
167.89.120.0/23 167.89.0.0/17
167.89.122.0/23 167.89.0.0/17
167.89.124.0/23 167.89.0.0/17
167.89.126.0/23 167.89.0.0/17
168.245.0.0/18 168.245.0.0/17
168.245.64.0/20 168.245.0.0/17
168.245.80.0/22 168.245.0.0/17
168.245.84.0/22 168.245.0.0/17
168.245.88.0/22 168.245.0.0/17
168.245.92.0/22 168.245.0.0/17
168.245.96.0/19 168.245.0.0/17
208.117.48.0/21 208.117.48.0/20
208.117.56.0/21 208.117.48.0/20
223.165.113.0/24 223.165.112.0/20
223.165.115.0/24 223.165.112.0/20
223.165.118.0/24 223.165.112.0/20
223.165.119.0/24 223.165.112.0/20
223.165.120.0/24 223.165.112.0/20
223.165.121.0/24 223.165.112.0/20
159.183.63.0/24 159.183.0.0/16
159.183.224.0/24 159.183.0.0/16
159.183.225.0/24 159.183.0.0/16
159.183.226.0/24 159.183.0.0/16
159.183.227.0/24 159.183.0.0/16
159.183.228.0/24 159.183.0.0/16
159.183.229.0/24 159.183.0.0/16
159.183.230.0/24 159.183.0.0/16
159.183.231.0/24 159.183.0.0/16
159.183.232.0/24 159.183.0.0/16
159.183.233.0/24 159.183.0.0/16
159.183.234.0/24 159.183.0.0/16
159.183.235.0/24 159.183.0.0/16
159.183.236.0/24 159.183.0.0/16
159.183.237.0/24 159.183.0.0/16
159.183.238.0/24 159.183.0.0/16
159.183.239.0/24 159.183.0.0/16
159.183.240.0/22 159.183.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 159.183.224.0/20 Announced
- 159.183.63.0/24 Withdrawn
- 159.183.224.0/24 Withdrawn
- 159.183.225.0/24 Withdrawn
- 159.183.226.0/24 Withdrawn
- 159.183.227.0/24 Withdrawn
- 159.183.228.0/24 Withdrawn
- 159.183.229.0/24 Withdrawn
- 159.183.230.0/24 Withdrawn
- 159.183.231.0/24 Withdrawn
- 159.183.232.0/24 Withdrawn
- 159.183.233.0/24 Withdrawn
- 159.183.234.0/24 Withdrawn
- 159.183.235.0/24 Withdrawn
- 159.183.236.0/24 Withdrawn
- 159.183.237.0/24 Withdrawn
- 159.183.238.0/24 Withdrawn
- 159.183.239.0/24 Withdrawn
- 159.183.240.0/22 Withdrawn
whois: 402603
IANA has recorded AS11377 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11377\n
#
# 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.
#
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
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.
#