4977 VENCORESS - Vencore Services and Solutions, Inc., US
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US
AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
AS399224 PERATON-CORE - PERATON INC., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14528 AS4977 ORIGIN Originate: 5376 /19.61 Transit: 0 /0.00 VENCORESS - Vencore Services and Solutions, Inc., 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 % 20216 AS4977 VENCORESS - Vencore Services and Solutions, I 7 2 1 6 1 14.29% Prefix AS Path Aggregation Suggestion 96.45.208.0/20 4777 2497 3356 4977 + Announce - aggregate of 96.45.208.0/21 (4777 2497 3356 4977) and 96.45.216.0/21 (4777 2497 3356 4977) 96.45.208.0/21 4777 2497 3356 4977 - Withdrawn - aggregated with 96.45.216.0/21 (4777 2497 3356 4977) 96.45.216.0/21 4777 2497 3356 4977 - Withdrawn - aggregated with 96.45.208.0/21 (4777 2497 3356 4977) 192.53.90.0/24 4777 6939 399224 4977 192.53.91.0/24 4777 2497 7018 4977 192.53.92.0/24 4777 2497 6461 4977 192.53.93.0/24 4608 7575 1299 22773 4977 192.53.94.0/24 4777 2497 6461 4977
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4977 7 More Specifics 7 Total Advertisements VENCORESS - Vencore Services and Solutions, Inc., US
96.45.208.0/21 96.45.208.0/20
96.45.216.0/21 96.45.208.0/20
192.53.90.0/24 192.53.80.0/20
192.53.91.0/24 192.53.80.0/20
192.53.92.0/24 192.53.80.0/20
192.53.93.0/24 192.53.80.0/20
192.53.94.0/24 192.53.80.0/20
whois: 402591
IANA has recorded AS4977 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4977\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 4977
ASName: VENCORESS
ASHandle: AS4977
RegDate: 2009-09-30
Updated: 2014-11-21
Ref: https://rdap.arin.net/registry/autnum/4977
OrgName: Vencore Services and Solutions, Inc.
OrgId: VSS-46
Address: 11091 Sunset Hills Road
City: Reston
StateProv: VA
PostalCode: 20190
Country: US
RegDate: 2014-09-18
Updated: 2025-08-26
Ref: https://rdap.arin.net/registry/entity/VSS-46
OrgNOCHandle: BONNE145-ARIN
OrgNOCName: Bonner, Jason
OrgNOCPhone: +1-571-508-3164
OrgNOCEmail: jason.bonner@peraton.com
OrgNOCRef: https://rdap.arin.net/registry/entity/BONNE145-ARIN
OrgRoutingHandle: KHANJ11-ARIN
OrgRoutingName: Khan, Junaid
OrgRoutingPhone: +1-571-252-7733
OrgRoutingEmail: junaid.khan@peraton.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/KHANJ11-ARIN
OrgDNSHandle: KHANJ11-ARIN
OrgDNSName: Khan, Junaid
OrgDNSPhone: +1-571-252-7733
OrgDNSEmail: junaid.khan@peraton.com
OrgDNSRef: https://rdap.arin.net/registry/entity/KHANJ11-ARIN
OrgAbuseHandle: BONNE145-ARIN
OrgAbuseName: Bonner, Jason
OrgAbusePhone: +1-571-508-3164
OrgAbuseEmail: jason.bonner@peraton.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/BONNE145-ARIN
OrgAbuseHandle: KHANJ11-ARIN
OrgAbuseName: Khan, Junaid
OrgAbusePhone: +1-571-252-7733
OrgAbuseEmail: junaid.khan@peraton.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/KHANJ11-ARIN
OrgTechHandle: BONNE145-ARIN
OrgTechName: Bonner, Jason
OrgTechPhone: +1-571-508-3164
OrgTechEmail: jason.bonner@peraton.com
OrgTechRef: https://rdap.arin.net/registry/entity/BONNE145-ARIN
OrgRoutingHandle: BONNE145-ARIN
OrgRoutingName: Bonner, Jason
OrgRoutingPhone: +1-571-508-3164
OrgRoutingEmail: jason.bonner@peraton.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/BONNE145-ARIN
OrgDNSHandle: BONNE145-ARIN
OrgDNSName: Bonner, Jason
OrgDNSPhone: +1-571-508-3164
OrgDNSEmail: jason.bonner@peraton.com
OrgDNSRef: https://rdap.arin.net/registry/entity/BONNE145-ARIN
OrgNOCHandle: KHANJ11-ARIN
OrgNOCName: Khan, Junaid
OrgNOCPhone: +1-571-252-7733
OrgNOCEmail: junaid.khan@peraton.com
OrgNOCRef: https://rdap.arin.net/registry/entity/KHANJ11-ARIN
OrgTechHandle: KHANJ11-ARIN
OrgTechName: Khan, Junaid
OrgTechPhone: +1-571-252-7733
OrgTechEmail: junaid.khan@peraton.com
OrgTechRef: https://rdap.arin.net/registry/entity/KHANJ11-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.
#