55219 SOURCEFIRE-LABS - Cisco Systems, Inc., US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS47886 EQUINIX-NL-ASN, NL
AS6461 ZAYO-6461 - Zayo Bandwidth, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 25643 AS55219 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 SOURCEFIRE-LABS - Cisco Systems, 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 % 49338 AS55219 SOURCEFIRE-LABS - Cisco Systems, Inc., US 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 172.110.204.0/22 4777 2497 6461 55219 172.110.204.0/23 4608 7575 6461 55219 198.148.78.0/23 4608 7575 6461 55219
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS55219 1 More Specifics 3 Total Advertisements SOURCEFIRE-LABS - Cisco Systems, Inc., US
172.110.204.0/23 172.110.204.0/22
whois: 402332
IANA has recorded AS55219 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS55219\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 55219
ASName: SOURCEFIRE-LABS
ASHandle: AS55219
RegDate: 2013-04-24
Updated: 2015-07-01
Ref: https://rdap.arin.net/registry/autnum/55219
OrgName: Cisco Systems, Inc.
OrgId: CS-985
Address: Talos
Address: 8135 Maple Lawn Blvd
City: Fulton
StateProv: MD
PostalCode: 20759
Country: US
RegDate: 2015-06-12
Updated: 2025-08-29
Ref: https://rdap.arin.net/registry/entity/CS-985
OrgAbuseHandle: TALOS-ARIN
OrgAbuseName: Talos Operations
OrgAbusePhone: +1-301-256-3412
OrgAbuseEmail: talos.ops@cisco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/TALOS-ARIN
OrgRoutingHandle: ATEMK-ARIN
OrgRoutingName: Atemkeng, Gildas
OrgRoutingPhone: +1-667-415-6660
OrgRoutingEmail: gatemken@cisco.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ATEMK-ARIN
OrgRoutingHandle: BONDA36-ARIN
OrgRoutingName: Bondalapati, Prasanth
OrgRoutingPhone: +1-301-256-3412
OrgRoutingEmail: pbondala@cisco.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/BONDA36-ARIN
OrgNOCHandle: TALOS-ARIN
OrgNOCName: Talos Operations
OrgNOCPhone: +1-301-256-3412
OrgNOCEmail: talos.ops@cisco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/TALOS-ARIN
OrgDNSHandle: SINGH711-ARIN
OrgDNSName: Singh, Sanjay
OrgDNSPhone: +1-408-527-4147
OrgDNSEmail: sansingh@cisco.com
OrgDNSRef: https://rdap.arin.net/registry/entity/SINGH711-ARIN
OrgNOCHandle: SINGH711-ARIN
OrgNOCName: Singh, Sanjay
OrgNOCPhone: +1-408-527-4147
OrgNOCEmail: sansingh@cisco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SINGH711-ARIN
OrgDNSHandle: TALOS-ARIN
OrgDNSName: Talos Operations
OrgDNSPhone: +1-301-256-3412
OrgDNSEmail: talos.ops@cisco.com
OrgDNSRef: https://rdap.arin.net/registry/entity/TALOS-ARIN
OrgTechHandle: SINGH711-ARIN
OrgTechName: Singh, Sanjay
OrgTechPhone: +1-408-527-4147
OrgTechEmail: sansingh@cisco.com
OrgTechRef: https://rdap.arin.net/registry/entity/SINGH711-ARIN
OrgNOCHandle: BONDA36-ARIN
OrgNOCName: Bondalapati, Prasanth
OrgNOCPhone: +1-301-256-3412
OrgNOCEmail: pbondala@cisco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/BONDA36-ARIN
OrgAbuseHandle: SINGH711-ARIN
OrgAbuseName: Singh, Sanjay
OrgAbusePhone: +1-408-527-4147
OrgAbuseEmail: sansingh@cisco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SINGH711-ARIN
OrgDNSHandle: BONDA36-ARIN
OrgDNSName: Bondalapati, Prasanth
OrgDNSPhone: +1-301-256-3412
OrgDNSEmail: pbondala@cisco.com
OrgDNSRef: https://rdap.arin.net/registry/entity/BONDA36-ARIN
OrgNOCHandle: ATEMK-ARIN
OrgNOCName: Atemkeng, Gildas
OrgNOCPhone: +1-667-415-6660
OrgNOCEmail: gatemken@cisco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ATEMK-ARIN
OrgAbuseHandle: BONDA36-ARIN
OrgAbuseName: Bondalapati, Prasanth
OrgAbusePhone: +1-301-256-3412
OrgAbuseEmail: pbondala@cisco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/BONDA36-ARIN
OrgRoutingHandle: TALOS-ARIN
OrgRoutingName: Talos Operations
OrgRoutingPhone: +1-301-256-3412
OrgRoutingEmail: talos.ops@cisco.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/TALOS-ARIN
OrgTechHandle: ATEMK-ARIN
OrgTechName: Atemkeng, Gildas
OrgTechPhone: +1-667-415-6660
OrgTechEmail: gatemken@cisco.com
OrgTechRef: https://rdap.arin.net/registry/entity/ATEMK-ARIN
OrgTechHandle: TALOS-ARIN
OrgTechName: Talos Operations
OrgTechPhone: +1-301-256-3412
OrgTechEmail: talos.ops@cisco.com
OrgTechRef: https://rdap.arin.net/registry/entity/TALOS-ARIN
OrgTechHandle: BONDA36-ARIN
OrgTechName: Bondalapati, Prasanth
OrgTechPhone: +1-301-256-3412
OrgTechEmail: pbondala@cisco.com
OrgTechRef: https://rdap.arin.net/registry/entity/BONDA36-ARIN
OrgAbuseHandle: ATEMK-ARIN
OrgAbuseName: Atemkeng, Gildas
OrgAbusePhone: +1-667-415-6660
OrgAbuseEmail: gatemken@cisco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ATEMK-ARIN
OrgDNSHandle: ATEMK-ARIN
OrgDNSName: Atemkeng, Gildas
OrgDNSPhone: +1-667-415-6660
OrgDNSEmail: gatemken@cisco.com
OrgDNSRef: https://rdap.arin.net/registry/entity/ATEMK-ARIN
OrgRoutingHandle: SINGH711-ARIN
OrgRoutingName: Singh, Sanjay
OrgRoutingPhone: +1-408-527-4147
OrgRoutingEmail: sansingh@cisco.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/SINGH711-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.
#