
11924 MONTANA-OPTICOM - Montana Opticom, LLC, US
Adjacency: 6 Upstream: 3 Downstream: 3
Upstream Adjacent AS list
AS7575 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS3257 GTT-BACKBONE GTT, US
Downstream Adjacent AS list
AS21858 ASCENT-DATA-LLC - Ascent Data, LLC, US
AS22485 MONTANA-OPTICOM-AS22485 - Montana Opticom, LLC, US
AS40097 PRINTINGFORLESS - Printingforless.com, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6125 AS11924 ORG+TRN Originate: 24832 /17.40 Transit: 512 /23.00 MONTANA-OPTICOM - Montana Opticom, LLC, 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 % 1806 AS11924 MONTANA-OPTICOM - Montana Opticom, LLC, US 42 33 1 10 32 76.19% Prefix AS Path Aggregation Suggestion 63.166.28.0/22 4608 7575 11924 63.166.28.0/24 4608 7575 11924 - Withdrawn - matching aggregate 63.166.28.0/22 4608 7575 11924 63.166.29.0/24 4608 7575 11924 - Withdrawn - matching aggregate 63.166.28.0/22 4608 7575 11924 63.166.30.0/24 4608 7575 11924 - Withdrawn - matching aggregate 63.166.28.0/22 4608 7575 11924 63.166.31.0/24 4608 7575 11924 - Withdrawn - matching aggregate 63.166.28.0/22 4608 7575 11924 64.79.32.0/20 4608 7575 11924 64.79.35.0/24 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 64.79.37.0/24 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 64.79.43.0/24 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 64.79.45.0/24 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 64.79.46.0/23 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 64.79.46.0/24 4608 7575 11924 - Withdrawn - matching aggregate 64.79.32.0/20 4608 7575 11924 69.163.80.0/20 4608 7575 11924 69.163.80.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.81.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.82.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.84.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.85.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.86.0/23 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.88.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.90.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.91.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.93.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.94.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 69.163.95.0/24 4608 7575 11924 - Withdrawn - matching aggregate 69.163.80.0/20 4608 7575 11924 199.2.135.0/24 4608 7575 11924 204.250.80.0/21 4608 7575 11924 204.250.82.0/24 4608 7575 11924 - Withdrawn - matching aggregate 204.250.80.0/21 4608 7575 11924 204.250.83.0/24 4608 7575 11924 - Withdrawn - matching aggregate 204.250.80.0/21 4608 7575 11924 204.250.84.0/23 4608 7575 11924 - Withdrawn - matching aggregate 204.250.80.0/21 4608 7575 11924 204.250.86.0/23 4608 7575 11924 - Withdrawn - matching aggregate 204.250.80.0/21 4608 7575 11924 205.243.72.0/23 4608 7575 11924 206.228.140.0/22 4608 7575 11924 208.14.180.0/24 4608 7575 11924 208.75.140.0/22 4608 7575 11924 + Announce - aggregate of 208.75.140.0/23 (4608 7575 11924) and 208.75.142.0/23 (4608 7575 11924) 208.75.140.0/24 4608 7575 11924 - Withdrawn - aggregated with 208.75.141.0/24 (4608 7575 11924) 208.75.141.0/24 4608 7575 11924 - Withdrawn - aggregated with 208.75.140.0/24 (4608 7575 11924) 208.75.142.0/24 4608 7575 11924 - Withdrawn - aggregated with 208.75.143.0/24 (4608 7575 11924) 208.75.143.0/24 4608 7575 11924 - Withdrawn - aggregated with 208.75.142.0/24 (4608 7575 11924) 208.83.40.0/21 4608 7575 11924 208.83.40.0/24 4608 7575 11924 - Withdrawn - matching aggregate 208.83.40.0/21 4608 7575 11924 208.83.41.0/24 4608 7575 11924 - Withdrawn - matching aggregate 208.83.40.0/21 4608 7575 11924 208.83.47.0/24 4608 7575 11924 - Withdrawn - matching aggregate 208.83.40.0/21 4608 7575 11924
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11924 39 More Specifics 42 Total Advertisements MONTANA-OPTICOM - Montana Opticom, LLC, US
63.166.28.0/22 63.160.0.0/12
63.166.28.0/24 63.160.0.0/12
63.166.29.0/24 63.160.0.0/12
63.166.30.0/24 63.160.0.0/12
63.166.31.0/24 63.160.0.0/12
64.79.35.0/24 64.79.32.0/20
64.79.37.0/24 64.79.32.0/20
64.79.43.0/24 64.79.32.0/20
64.79.45.0/24 64.79.32.0/20
64.79.46.0/23 64.79.32.0/20
64.79.46.0/24 64.79.32.0/20
69.163.80.0/24 69.163.80.0/20
69.163.81.0/24 69.163.80.0/20
69.163.82.0/24 69.163.80.0/20
69.163.84.0/24 69.163.80.0/20
69.163.85.0/24 69.163.80.0/20
69.163.86.0/23 69.163.80.0/20
69.163.88.0/24 69.163.80.0/20
69.163.90.0/24 69.163.80.0/20
69.163.91.0/24 69.163.80.0/20
69.163.93.0/24 69.163.80.0/20
69.163.94.0/24 69.163.80.0/20
69.163.95.0/24 69.163.80.0/20
199.2.135.0/24 199.0.0.0/14
204.250.80.0/21 204.248.0.0/14
204.250.82.0/24 204.248.0.0/14
204.250.83.0/24 204.248.0.0/14
204.250.84.0/23 204.248.0.0/14
204.250.86.0/23 204.248.0.0/14
205.243.72.0/23 205.240.0.0/13
206.228.140.0/22 206.228.0.0/14
208.14.180.0/24 208.0.0.0/11
208.75.140.0/24 208.75.140.0/22
208.75.141.0/24 208.75.140.0/22
208.75.142.0/24 208.75.140.0/22
208.75.143.0/24 208.75.140.0/22
208.83.40.0/24 208.83.40.0/21
208.83.41.0/24 208.83.40.0/21
208.83.47.0/24 208.83.40.0/21
whois: 402332
IANA has recorded AS11924 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11924\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: 11924
ASName: MONTANA-OPTICOM
ASHandle: AS11924
RegDate: 2007-03-06
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/11924
OrgName: Montana Opticom, LLC
OrgId: MONTA-16
Address: 144 Quail Run Road
City: Bozeman
StateProv: MT
PostalCode: 59718
Country: US
RegDate: 2007-02-22
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/MONTA-16
OrgNOCHandle: MTOPT1-ARIN
OrgNOCName: MT-Opticom Support
OrgNOCPhone: +1-406-999-5000
OrgNOCEmail: support@mt-opticom.com
OrgNOCRef: https://rdap.arin.net/registry/entity/MTOPT1-ARIN
OrgTechHandle: MTOPT1-ARIN
OrgTechName: MT-Opticom Support
OrgTechPhone: +1-406-999-5000
OrgTechEmail: support@mt-opticom.com
OrgTechRef: https://rdap.arin.net/registry/entity/MTOPT1-ARIN
OrgAbuseHandle: MTOPT2-ARIN
OrgAbuseName: MT-Opticom Abuse
OrgAbusePhone: +1-406-999-5000
OrgAbuseEmail: support@mt-opticom.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MTOPT2-ARIN
RTechHandle: MTOPT-ARIN
RTechName: MT-Opticom
RTechPhone: +1-406-999-5000
RTechEmail: jrdolan@mt-opticom.com
RTechRef: https://rdap.arin.net/registry/entity/MTOPT-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.
#