40468 MONTGOMERYCOUNTYMDGOV, US
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS174 COGENT-174, US
AS6939 HURRICANE, US
AS7784 ATLANTECH, US
Downstream Adjacent AS list
AS54439 MCGM-FIBERNET3, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19977 AS40468 ORG+TRN Originate: 3072 /20.42 Transit: 5120 /19.68 MONTGOMERYCOUNTYMDGOV, 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 % 42738 AS40468 MONTGOMERYCOUNTYMDGOV, US 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 205.222.252.0/22 6939 40468 208.76.112.0/21 6939 7784 40468
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS40468 7 More Specifics 8 Total Advertisements MONTGOMERYCOUNTYMDGOV, US
205.222.252.0/22 205.222.0.0/16
208.76.112.0/24 208.76.112.0/21
208.76.113.0/24 208.76.112.0/21
208.76.115.0/24 208.76.112.0/21
208.76.116.0/24 208.76.112.0/21
208.76.117.0/24 208.76.112.0/21
209.190.194.0/24 209.190.192.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 208.76.112.0/24 Announced
whois: 402590
IANA has recorded AS40468 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS40468\n
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ASNumber: 40468
ASName: MONTGOMERYCOUNTYMDGOV
ASHandle: AS40468
RegDate: 2007-02-26
Updated: 2022-08-16
Ref: https://rdap.arin.net/registry/autnum/40468
OrgName: Montgomery County Government, Maryland
OrgId: MCGM
Address: 100 Maryland Ave.
Address: Suite 300
City: Rockville
StateProv: MD
PostalCode: 20850
Country: US
RegDate: 2006-10-12
Updated: 2025-10-07
Ref: https://rdap.arin.net/registry/entity/MCGM
OrgDNSHandle: MDG40-ARIN
OrgDNSName: Gardner, Mark Daniel
OrgDNSPhone: +1-240-773-8116
OrgDNSEmail: mark.gardner@montgomerycountymd.gov
OrgDNSRef: https://rdap.arin.net/registry/entity/MDG40-ARIN
OrgDNSHandle: RGS11-ARIN
OrgDNSName: Shields, Robert Gene
OrgDNSPhone: +1-703-283-3884
OrgDNSEmail: rob@shieldnet.net
OrgDNSRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
OrgRoutingHandle: RGS11-ARIN
OrgRoutingName: Shields, Robert Gene
OrgRoutingPhone: +1-703-283-3884
OrgRoutingEmail: rob@shieldnet.net
OrgRoutingRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
OrgTechHandle: RMN9-ARIN
OrgTechName: Nussey, Roderick MacIntyre
OrgTechPhone: +1-240-777-2110
OrgTechEmail: rod.nussey@montgomerycountymd.gov
OrgTechRef: https://rdap.arin.net/registry/entity/RMN9-ARIN
OrgNOCHandle: MDG40-ARIN
OrgNOCName: Gardner, Mark Daniel
OrgNOCPhone: +1-240-773-8116
OrgNOCEmail: mark.gardner@montgomerycountymd.gov
OrgNOCRef: https://rdap.arin.net/registry/entity/MDG40-ARIN
OrgAbuseHandle: WEBST183-ARIN
OrgAbuseName: Webster, Joe
OrgAbusePhone: +1-240-773-8133
OrgAbuseEmail: joseph.webster@montgomerycountymd.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/WEBST183-ARIN
OrgTechHandle: RGS11-ARIN
OrgTechName: Shields, Robert Gene
OrgTechPhone: +1-703-283-3884
OrgTechEmail: rob@shieldnet.net
OrgTechRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
OrgAbuseHandle: RGS11-ARIN
OrgAbuseName: Shields, Robert Gene
OrgAbusePhone: +1-703-283-3884
OrgAbuseEmail: rob@shieldnet.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
RNOCHandle: DCH132-ARIN
RNOCName: Chen, David
RNOCPhone: +1-240-777-2856
RNOCEmail: david.chen@montgomerycountymd.gov
RNOCRef: https://rdap.arin.net/registry/entity/DCH132-ARIN
RTechHandle: DCH132-ARIN
RTechName: Chen, David
RTechPhone: +1-240-777-2856
RTechEmail: david.chen@montgomerycountymd.gov
RTechRef: https://rdap.arin.net/registry/entity/DCH132-ARIN
RAbuseHandle: RGS11-ARIN
RAbuseName: Shields, Robert Gene
RAbusePhone: +1-703-283-3884
RAbuseEmail: rob@shieldnet.net
RAbuseRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
RNOCHandle: RGS11-ARIN
RNOCName: Shields, Robert Gene
RNOCPhone: +1-703-283-3884
RNOCEmail: rob@shieldnet.net
RNOCRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
RTechHandle: RGS11-ARIN
RTechName: Shields, Robert Gene
RTechPhone: +1-703-283-3884
RTechEmail: rob@shieldnet.net
RTechRef: https://rdap.arin.net/registry/entity/RGS11-ARIN
RAbuseHandle: DCH132-ARIN
RAbuseName: Chen, David
RAbusePhone: +1-240-777-2856
RAbuseEmail: david.chen@montgomerycountymd.gov
RAbuseRef: https://rdap.arin.net/registry/entity/DCH132-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.
#