4195 SHAW - D. E. Shaw & Co. LP, US
Adjacency: 8 Upstream: 8 Downstream: 0
Upstream Adjacent AS list
AS174 COGENT-174 - Cogent Communications, LLC, US
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS8220 COLT COLT Technology Services Group Limited, GB
AS9498 BBIL-AP BHARTI Airtel Ltd., IN
AS11269 LINKBERMUDA - LinkBermuda LTD, BM
AS3491 PCCWG-APAC-HK PCCW Global HK Ltd., HK
AS4637 ASN-TELSTRA-GLOBAL Telstra Global, HK
AS701 UUNET - Verizon Business, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2862 AS4195 ORIGIN Originate: 74752 /15.81 Transit: 0 /0.00 SHAW - D. E. Shaw & Co. LP, 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 % 5706 AS4195 SHAW - D. E. Shaw & Co. LP, US 20 10 2 12 8 40.00% Prefix AS Path Aggregation Suggestion 103.145.16.0/24 4608 9498 4195 149.77.0.0/16 4777 2516 701 4195 149.77.48.0/23 4777 2516 4637 4195 + Announce - aggregate of 149.77.48.0/24 (4777 2516 4637 4195) and 149.77.49.0/24 (4777 2516 4637 4195) 149.77.48.0/24 4777 2516 4637 4195 - Withdrawn - aggregated with 149.77.49.0/24 (4777 2516 4637 4195) 149.77.49.0/24 4777 2516 4637 4195 - Withdrawn - aggregated with 149.77.48.0/24 (4777 2516 4637 4195) 149.77.92.0/24 4777 2497 174 4195 149.77.93.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 149.77.0.0/16 4777 2516 701 4195 149.77.94.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 149.77.0.0/16 4777 2516 701 4195 149.77.95.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 149.77.0.0/16 4777 2516 701 4195 149.77.97.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 149.77.0.0/16 4777 2516 701 4195 149.77.192.0/24 4777 2497 8220 4195 149.77.194.0/23 4777 2497 8220 4195 + Announce - aggregate of 149.77.194.0/24 (4777 2497 8220 4195) and 149.77.195.0/24 (4777 2497 8220 4195) 149.77.194.0/24 4777 2497 8220 4195 - Withdrawn - aggregated with 149.77.195.0/24 (4777 2497 8220 4195) 149.77.195.0/24 4777 2497 8220 4195 - Withdrawn - aggregated with 149.77.194.0/24 (4777 2497 8220 4195) 149.77.198.0/23 4777 2516 3491 4195 149.77.208.0/23 4777 2516 1299 11269 4195 149.77.232.0/24 4777 2516 4637 4195 149.77.254.0/24 4777 2497 6461 4195 160.30.203.0/24 4608 9498 4195 205.231.96.0/20 4777 2516 701 4195 205.231.102.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 205.231.96.0/20 4777 2516 701 4195 205.231.104.0/24 4777 2516 701 4195 - Withdrawn - matching aggregate 205.231.96.0/20 4777 2516 701 4195
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4195 17 More Specifics 20 Total Advertisements SHAW - D. E. Shaw & Co. LP, US
149.77.48.0/24 149.77.0.0/16
149.77.49.0/24 149.77.0.0/16
149.77.92.0/24 149.77.0.0/16
149.77.93.0/24 149.77.0.0/16
149.77.94.0/24 149.77.0.0/16
149.77.95.0/24 149.77.0.0/16
149.77.97.0/24 149.77.0.0/16
149.77.192.0/24 149.77.0.0/16
149.77.194.0/24 149.77.0.0/16
149.77.195.0/24 149.77.0.0/16
149.77.198.0/23 149.77.0.0/16
149.77.208.0/23 149.77.0.0/16
149.77.232.0/24 149.77.0.0/16
149.77.254.0/24 149.77.0.0/16
205.231.96.0/20 205.228.0.0/14
205.231.102.0/24 205.228.0.0/14
205.231.104.0/24 205.228.0.0/14
whois: 402332
IANA has recorded AS4195 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4195\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: 4195
ASName: SHAW
ASHandle: AS4195
RegDate: 1994-12-16
Updated: 2025-06-19
Ref: https://rdap.arin.net/registry/autnum/4195
OrgName: D. E. Shaw & Co. LP
OrgId: DESH-Z
Address: Two Manhattan West, 375 9th Ave 52nd Floor
City: New York
StateProv: NY
PostalCode: 10001
Country: US
RegDate: 2020-09-08
Updated: 2025-06-11
Ref: https://rdap.arin.net/registry/entity/DESH-Z
OrgAbuseHandle: DESNA-ARIN
OrgAbuseName: D E Shaw Network Administrators
OrgAbusePhone: +1-212-478-0600
OrgAbuseEmail: netadmin@deshaw.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/DESNA-ARIN
OrgDNSHandle: DESDA-ARIN
OrgDNSName: D E Shaw DNS Administrators
OrgDNSPhone: +1-212-478-0600
OrgDNSEmail: dnsadmin@deshaw.net
OrgDNSRef: https://rdap.arin.net/registry/entity/DESDA-ARIN
OrgTechHandle: DESNA-ARIN
OrgTechName: D E Shaw Network Administrators
OrgTechPhone: +1-212-478-0600
OrgTechEmail: netadmin@deshaw.net
OrgTechRef: https://rdap.arin.net/registry/entity/DESNA-ARIN
OrgNOCHandle: DESNA-ARIN
OrgNOCName: D E Shaw Network Administrators
OrgNOCPhone: +1-212-478-0600
OrgNOCEmail: netadmin@deshaw.net
OrgNOCRef: https://rdap.arin.net/registry/entity/DESNA-ARIN
OrgRoutingHandle: DESNA-ARIN
OrgRoutingName: D E Shaw Network Administrators
OrgRoutingPhone: +1-212-478-0600
OrgRoutingEmail: netadmin@deshaw.net
OrgRoutingRef: https://rdap.arin.net/registry/entity/DESNA-ARIN
OrgTechHandle: DESDA-ARIN
OrgTechName: D E Shaw DNS Administrators
OrgTechPhone: +1-212-478-0600
OrgTechEmail: dnsadmin@deshaw.net
OrgTechRef: https://rdap.arin.net/registry/entity/DESDA-ARIN
RTechHandle: DESNA-ARIN
RTechName: D E Shaw Network Administrators
RTechPhone: +1-212-478-0600
RTechEmail: netadmin@deshaw.net
RTechRef: https://rdap.arin.net/registry/entity/DESNA-ARIN
RTechHandle: SHAW-DNS-ARIN
RTechName: DE Shaw Securities Group LP
RTechPhone: +1-212-478-0600
RTechEmail: dnsadmin@deshaw.net
RTechRef: https://rdap.arin.net/registry/entity/SHAW-DNS-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.
#