3738 SSB-ASN, US
Adjacency: 8 Upstream: 8 Downstream: 0
Upstream Adjacent AS list
AS2856 BT-UK-AS BTnet UK Regional network, GB
AS2764 AAPT AAPT Limited, AU
AS701 UUNET, US
AS2687 ATGS-MMD-AS, US
AS7018 ATT-INTERNET4, US
AS8220 COLT COLT Technology Services Group Limited, GB
AS702 UUNET, US
AS703 UUNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5831 AS3738 ORIGIN Originate: 27392 /17.26 Transit: 0 /0.00 SSB-ASN, 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 % 3292 AS3738 SSB-ASN, US 87 30 14 71 16 18.39% Prefix AS Path Aggregation Suggestion 192.250.32.0/22 7018 3738 + Announce - aggregate of 192.250.32.0/23 (7018 3738) and 192.250.34.0/23 (7018 3738) 192.250.32.0/24 7018 3738 - Withdrawn - aggregated with 192.250.33.0/24 (7018 3738) 192.250.33.0/24 7018 3738 - Withdrawn - aggregated with 192.250.32.0/24 (7018 3738) 192.250.34.0/24 7018 3738 - Withdrawn - aggregated with 192.250.35.0/24 (7018 3738) 192.250.35.0/24 7018 3738 - Withdrawn - aggregated with 192.250.34.0/24 (7018 3738) 192.250.36.0/24 2914 703 3738 192.250.37.0/24 2497 703 3738 192.250.44.0/24 2914 703 3738 192.250.46.0/24 2914 703 3738 192.250.49.0/24 2914 703 3738 192.250.53.0/24 2497 703 3738 192.250.54.0/24 6939 8220 3738 192.250.55.0/24 2497 8220 3738 192.250.56.0/23 2497 8220 3738 192.250.62.0/24 6939 8220 3738 192.250.63.0/24 2497 8220 3738 192.250.64.0/24 6939 8220 3738 192.250.65.0/24 2497 8220 3738 192.250.66.0/24 2497 8220 3738 192.250.68.0/24 2497 8220 3738 192.250.69.0/24 7018 3738 192.250.70.0/23 2497 8220 3738 + Announce - aggregate of 192.250.70.0/24 (2497 8220 3738) and 192.250.71.0/24 (2497 8220 3738) 192.250.70.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.71.0/24 (2497 8220 3738) 192.250.71.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.70.0/24 (2497 8220 3738) 192.250.72.0/22 7018 3738 192.250.77.0/24 3257 701 3738 192.250.78.0/23 3257 701 3738 + Announce - aggregate of 192.250.78.0/24 (3257 701 3738) and 192.250.79.0/24 (3257 701 3738) 192.250.78.0/24 3257 701 3738 - Withdrawn - aggregated with 192.250.79.0/24 (3257 701 3738) 192.250.79.0/24 3257 701 3738 - Withdrawn - aggregated with 192.250.78.0/24 (3257 701 3738) 192.250.80.0/22 3257 701 3738 192.250.85.0/24 7018 3738 192.250.86.0/24 7018 3738 192.250.87.0/24 3257 701 3738 192.250.90.0/23 7018 3738 + Announce - aggregate of 192.250.90.0/24 (7018 3738) and 192.250.91.0/24 (7018 3738) 192.250.90.0/24 7018 3738 - Withdrawn - aggregated with 192.250.91.0/24 (7018 3738) 192.250.91.0/24 7018 3738 - Withdrawn - aggregated with 192.250.90.0/24 (7018 3738) 192.250.96.0/23 2497 8220 3738 192.250.98.0/23 3303 702 3738 192.250.100.0/24 3303 702 3738 192.250.103.0/24 2497 703 3738 192.250.106.0/24 2914 703 3738 192.250.107.0/24 2497 703 3738 192.250.109.0/24 2497 703 3738 192.250.110.0/24 2497 703 3738 192.250.112.0/23 7018 3738 + Announce - aggregate of 192.250.112.0/24 (7018 3738) and 192.250.113.0/24 (7018 3738) 192.250.112.0/24 7018 3738 - Withdrawn - aggregated with 192.250.113.0/24 (7018 3738) 192.250.113.0/24 7018 3738 - Withdrawn - aggregated with 192.250.112.0/24 (7018 3738) 192.250.114.0/24 7018 3738 192.250.119.0/24 2497 703 3738 192.250.120.0/21 7018 3738 + Announce - aggregate of 192.250.120.0/22 (7018 3738) and 192.250.124.0/22 (7018 3738) 192.250.120.0/22 7018 3738 - Withdrawn - aggregated with 192.250.124.0/22 (7018 3738) 192.250.124.0/22 7018 3738 - Withdrawn - aggregated with 192.250.120.0/22 (7018 3738) 192.250.128.0/23 7018 3738 192.250.130.0/24 7018 3738 192.250.132.0/23 7018 3738 + Announce - aggregate of 192.250.132.0/24 (7018 3738) and 192.250.133.0/24 (7018 3738) 192.250.132.0/24 7018 3738 - Withdrawn - aggregated with 192.250.133.0/24 (7018 3738) 192.250.133.0/24 7018 3738 - Withdrawn - aggregated with 192.250.132.0/24 (7018 3738) 192.250.137.0/24 2914 703 3738 192.250.140.0/23 2497 8220 3738 + Announce - aggregate of 192.250.140.0/24 (2497 8220 3738) and 192.250.141.0/24 (2497 8220 3738) 192.250.140.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.141.0/24 (2497 8220 3738) 192.250.141.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.140.0/24 (2497 8220 3738) 192.250.144.0/24 2497 8220 3738 192.250.145.0/24 2497 703 3738 192.250.146.0/23 7018 3738 192.250.148.0/23 7018 3738 192.250.150.0/23 2497 703 3738 + Announce - aggregate of 192.250.150.0/24 (2497 703 3738) and 192.250.151.0/24 (2497 703 3738) 192.250.150.0/24 2497 703 3738 - Withdrawn - aggregated with 192.250.151.0/24 (2497 703 3738) 192.250.151.0/24 2497 703 3738 - Withdrawn - aggregated with 192.250.150.0/24 (2497 703 3738) 192.250.152.0/23 2497 8220 3738 + Announce - aggregate of 192.250.152.0/24 (2497 8220 3738) and 192.250.153.0/24 (2497 8220 3738) 192.250.152.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.153.0/24 (2497 8220 3738) 192.250.153.0/24 2497 8220 3738 - Withdrawn - aggregated with 192.250.152.0/24 (2497 8220 3738) 192.250.154.0/24 2497 8220 3738 192.250.156.0/23 2497 8220 3738 192.250.158.0/24 7018 3738 192.250.160.0/23 7018 3738 + Announce - aggregate of 192.250.160.0/24 (7018 3738) and 192.250.161.0/24 (7018 3738) 192.250.160.0/24 7018 3738 - Withdrawn - aggregated with 192.250.161.0/24 (7018 3738) 192.250.161.0/24 7018 3738 - Withdrawn - aggregated with 192.250.160.0/24 (7018 3738) 192.250.162.0/23 6939 703 3738 3738 + Announce - aggregate of 192.250.162.0/24 (6939 703 3738 3738) and 192.250.163.0/24 (6939 703 3738 3738) 192.250.162.0/24 6939 703 3738 3738 - Withdrawn - aggregated with 192.250.163.0/24 (6939 703 3738 3738) 192.250.163.0/24 6939 703 3738 3738 - Withdrawn - aggregated with 192.250.162.0/24 (6939 703 3738 3738) 192.250.165.0/24 7018 3738 192.250.166.0/23 7018 3738 192.250.168.0/23 7018 3738 + Announce - aggregate of 192.250.168.0/24 (7018 3738) and 192.250.169.0/24 (7018 3738) 192.250.168.0/24 7018 3738 - Withdrawn - aggregated with 192.250.169.0/24 (7018 3738) 192.250.169.0/24 7018 3738 - Withdrawn - aggregated with 192.250.168.0/24 (7018 3738) 192.250.171.0/24 2497 703 3738 192.250.175.0/24 7018 3738 192.250.177.0/24 7018 3738 192.250.180.0/23 7018 3738 + Announce - aggregate of 192.250.180.0/24 (7018 3738) and 192.250.181.0/24 (7018 3738) 192.250.180.0/24 7018 3738 - Withdrawn - aggregated with 192.250.181.0/24 (7018 3738) 192.250.181.0/24 7018 3738 - Withdrawn - aggregated with 192.250.180.0/24 (7018 3738) 192.250.182.0/24 7018 3738 192.250.183.0/24 6939 703 3738 192.250.185.0/24 6939 703 3738 199.253.173.0/24 7018 3738 199.253.174.0/24 7018 3738 204.165.17.0/24 7018 3738 204.165.18.0/24 3257 701 3738 205.181.72.0/24 7018 3738 205.181.240.0/24 7018 3738 205.181.242.0/24 7018 3738
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS3738 59 More Specifics 59 Total Advertisements SSB-ASN, US
192.250.46.0/24 192.250.32.0/19
192.250.48.0/23 192.250.32.0/19
192.250.48.0/24 192.250.32.0/19
192.250.49.0/24 192.250.32.0/19
192.250.53.0/24 192.250.32.0/19
192.250.56.0/23 192.250.32.0/19
192.250.58.0/23 192.250.32.0/19
192.250.69.0/24 192.250.64.0/18
192.250.72.0/22 192.250.64.0/18
192.250.78.0/24 192.250.64.0/18
192.250.79.0/24 192.250.64.0/18
192.250.80.0/22 192.250.64.0/18
192.250.85.0/24 192.250.64.0/18
192.250.86.0/24 192.250.64.0/18
192.250.87.0/24 192.250.64.0/18
192.250.90.0/24 192.250.64.0/18
192.250.91.0/24 192.250.64.0/18
192.250.96.0/23 192.250.64.0/18
192.250.98.0/23 192.250.64.0/18
192.250.100.0/24 192.250.64.0/18
192.250.112.0/24 192.250.64.0/18
192.250.113.0/24 192.250.64.0/18
192.250.114.0/24 192.250.64.0/18
192.250.120.0/22 192.250.64.0/18
192.250.124.0/22 192.250.64.0/18
192.250.128.0/23 192.250.128.0/18
192.250.130.0/24 192.250.128.0/18
192.250.132.0/24 192.250.128.0/18
192.250.133.0/24 192.250.128.0/18
192.250.135.0/24 192.250.128.0/18
192.250.137.0/24 192.250.128.0/18
192.250.144.0/24 192.250.128.0/18
192.250.146.0/23 192.250.128.0/18
192.250.148.0/23 192.250.128.0/18
192.250.152.0/23 192.250.128.0/18
192.250.152.0/24 192.250.128.0/18
192.250.153.0/24 192.250.128.0/18
192.250.154.0/24 192.250.128.0/18
192.250.156.0/23 192.250.128.0/18
192.250.158.0/24 192.250.128.0/18
192.250.162.0/24 192.250.128.0/18
192.250.163.0/24 192.250.128.0/18
192.250.165.0/24 192.250.128.0/18
192.250.166.0/23 192.250.128.0/18
192.250.171.0/24 192.250.128.0/18
192.250.175.0/24 192.250.128.0/18
192.250.177.0/24 192.250.128.0/18
192.250.180.0/24 192.250.128.0/18
192.250.181.0/24 192.250.128.0/18
192.250.182.0/24 192.250.128.0/18
192.250.183.0/24 192.250.128.0/18
192.250.185.0/24 192.250.128.0/18
199.253.173.0/24 199.253.168.0/21
199.253.174.0/24 199.253.168.0/21
204.165.17.0/24 204.164.0.0/14
204.165.18.0/24 204.164.0.0/14
205.181.72.0/24 205.180.0.0/14
205.181.240.0/24 205.180.0.0/14
205.181.242.0/24 205.180.0.0/14
192.250.77.0/24 192.250.64.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 192.250.144.0/24 Announced
+ 192.250.171.0/24 Announced
- 192.250.77.0/24 Withdrawn
whois: 402603
IANA has recorded AS3738 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3738\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 3738
ASName: SSB-ASN-3738
ASHandle: AS3738
RegDate: 1994-08-01
Updated: 2025-02-07
Ref: https://rdap.arin.net/registry/autnum/3738
OrgName: State Street Bank and Trust Company
OrgId: STSB
Address: 1776 Heritage Drive
Address: Mail Stop JAB4NE
City: North Quincy
StateProv: MA
PostalCode: 02171-2197
Country: US
RegDate: 1993-08-10
Updated: 2026-04-01
Ref: https://rdap.arin.net/registry/entity/STSB
OrgAbuseHandle: SNE171-ARIN
OrgAbuseName: SSC Network Engineering
OrgAbusePhone: +1-617-786-3000
OrgAbuseEmail: sscregnetwork@statestreet.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SNE171-ARIN
OrgTechHandle: PRT4-ARIN
OrgTechName: Thompson, Philip Reed
OrgTechPhone: +1-617-664-6729
OrgTechEmail: prthompson@statestreet.com
OrgTechRef: https://rdap.arin.net/registry/entity/PRT4-ARIN
OrgTechHandle: SNE171-ARIN
OrgTechName: SSC Network Engineering
OrgTechPhone: +1-617-786-3000
OrgTechEmail: sscregnetwork@statestreet.com
OrgTechRef: https://rdap.arin.net/registry/entity/SNE171-ARIN
OrgAbuseHandle: PRT4-ARIN
OrgAbuseName: Thompson, Philip Reed
OrgAbusePhone: +1-617-664-6729
OrgAbuseEmail: prthompson@statestreet.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/PRT4-ARIN
RNOCHandle: SSCNE-ARIN
RNOCName: SSC-Network-Engineers
RNOCPhone: +1-617-985-3000
RNOCEmail: SSCNetworkEngineers@StateStreet.com
RNOCRef: https://rdap.arin.net/registry/entity/SSCNE-ARIN
RTechHandle: SSCNE-ARIN
RTechName: SSC-Network-Engineers
RTechPhone: +1-617-985-3000
RTechEmail: SSCNetworkEngineers@StateStreet.com
RTechRef: https://rdap.arin.net/registry/entity/SSCNE-ARIN
RAbuseHandle: SSCNE-ARIN
RAbuseName: SSC-Network-Engineers
RAbusePhone: +1-617-985-3000
RAbuseEmail: SSCNetworkEngineers@StateStreet.com
RAbuseRef: https://rdap.arin.net/registry/entity/SSCNE-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.
#