Data as of Nov 3, 2026

67.206.64.0/19

No anonymizer space · no proxy exits in 30 days

First Communications LLC

Announcement

this exact prefix

No RPKI

Announced by

AS16399

Type

Business

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
67.206.66.0/24 since Apr 2009	AS46815	Business	First Communications LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
67.206.64.0/19	8,192	CIMCO	First Communications LLC (FCL-52) · US	Direct Allocation	Dec 28, 2007	[email protected]
└ 67.206.64.0/29	8	CIMCO-212678-04	unknown	—	—	—
└ 67.206.64.56/29	8	CIMCO-211846-01	unknown	—	—	—
└ 67.206.64.64/29	8	CIMCO-208870-01	unknown	—	—	—
└ 67.206.64.80/29	8	CIMCO-160563	unknown	—	—	—
└ 67.206.64.96/29	8	CIMCO-160566	unknown	—	—	—
└ 67.206.64.104/29	8	CIMCO-160568	unknown	—	—	—
└ 67.206.64.112/29	8	CIMCO-160570	unknown	—	—	—
└ 67.206.64.120/29	8	CIMCO-160572-01	unknown	—	—	—
└ 67.206.64.128/29	8	CIMCO-160572	unknown	—	—	—
└ 67.206.64.168/29	8	CIMCO-177532-01	unknown	—	—	—
└ 67.206.64.176/29	8	CIMCO-208816-01	unknown	—	—	—
└ 67.206.64.192/29	8	CIMCO-162268-01	unknown	—	—	—
└ 67.206.64.200/29	8	CIMCO-215372-01	unknown	—	—	—
└ 67.206.64.240/29	8	CIMCO-161675-01	unknown	—	—	—
└ 67.206.64.248/29	8	CIMCO-170042-01	unknown	—	—	—
└ 67.206.65.16/28	16	CIMCO-161248-01	unknown	—	—	—
└ 67.206.65.32/28	16	CIMCO-162507-01	unknown	—	—	—
└ 67.206.65.48/28	16	CIMCO-168289-01	unknown	—	—	—
└ 67.206.65.64/28	16	CIMCO-170394-01	unknown	—	—	—
└ 67.206.65.80/28	16	CIMCO-171954-01	unknown	—	—	—
└ 67.206.65.96/28	16	CIMCO-239514-01	unknown	—	—	—
└ 67.206.65.128/27	32	CIMCO-159913-01	unknown	—	—	—
└ 67.206.65.160/27	32	CIMCO-160938-01	unknown	—	—	—
└ 67.206.66.0/24	256	CIMCO-159493-01	Sinai Health System (C01882738) · US	Reassigned	Feb 11, 2008	[email protected] via CIMCO
└ 67.206.67.24/29	8	CIMCO-161174-01	unknown	—	—	—
└ 67.206.67.64/29	8	CIMCO-178633-01	unknown	—	—	—
└ 67.206.67.72/29	8	CIMCO-212072-01	unknown	—	—	—
└ 67.206.67.80/29	8	CIMCO-178926-01	unknown	—	—	—
└ 67.206.67.104/29	8	CIMCO-163174-01	unknown	—	—	—
└ 67.206.67.112/29	8	CIMCO-163252	unknown	—	—	—
└ 67.206.67.120/29	8	CIMCO-163071	unknown	—	—	—
└ 67.206.67.128/29	8	CIMCO-162693-01	unknown	—	—	—
└ 67.206.67.152/29	8	CIMCO-163539-01	unknown	—	—	—
└ 67.206.67.160/29	8	CIMCO-215543-02	unknown	—	—	—
└ 67.206.67.200/29	8	CIMCO-163191	unknown	—	—	—
└ 67.206.67.208/29	8	CIMCO-163652	unknown	—	—	—
└ 67.206.67.224/29	8	CIMCO-163530-01	unknown	—	—	—
└ 67.206.67.240/29	8	CIMCO-188804-01	unknown	—	—	—
└ 67.206.68.128/26	64	CIMCO-175594-01	unknown	—	—	—
└ 67.206.69.0/26	64	CIMCO-212429-01	unknown	—	—	—
└ 67.206.69.64/26	64	CIMCO-177765-01	unknown	—	—	—
└ 67.206.69.128/26	64	CIMCO-178016-01	unknown	—	—	—
└ 67.206.69.192/26	64	CIMCO-187968-01	unknown	—	—	—
└ 67.206.70.0/29	8	CIMCO-168016-01	unknown	—	—	—
└ 67.206.70.8/29	8	CIMCO-168017-01	unknown	—	—	—
└ 67.206.70.16/29	8	CIMCO-168014-01	unknown	—	—	—
└ 67.206.70.24/29	8	CIMCO-163472-01	unknown	—	—	—
└ 67.206.70.40/29	8	CIMCO-168140-01	unknown	—	—	—
└ 67.206.70.48/29	8	CIMCO-182223-01	unknown	—	—	—
└ 67.206.70.56/29	8	CIMCO-168040-01	unknown	—	—	—
└ 67.206.70.64/29	8	CIMCO-163092-01	unknown	—	—	—
└ 67.206.70.72/29	8	CIMCO-162989-01	unknown	—	—	—
└ 67.206.70.96/29	8	CIMCO-168407-01	unknown	—	—	—
└ 67.206.70.112/29	8	CIMCO-188372-01	unknown	—	—	—
└ 67.206.70.128/29	8	CIMCO-168515-01	unknown	—	—	—
└ 67.206.70.160/29	8	CIMCO-152564-01	unknown	—	—	—
└ 67.206.70.168/29	8	CIMCO-182234-01	unknown	—	—	—
└ 67.206.70.232/29	8	CIMCO-168952-01	unknown	—	—	—
└ 67.206.70.240/29	8	CIMCO-169384-01	unknown	—	—	—
└ 67.206.71.8/29	8	CIMCO-168503-01	unknown	—	—	—
└ 67.206.71.32/29	8	CIMCO-169449-01	unknown	—	—	—
└ 67.206.71.40/29	8	CIMCO-210834-01	unknown	—	—	—
└ 67.206.71.56/29	8	CIM-169098-01	unknown	—	—	—
└ 67.206.71.72/29	8	CIMCO-183930-01	unknown	—	—	—
└ 67.206.71.96/29	8	CIMCO-186995-01	unknown	—	—	—
└ 67.206.71.104/29	8	CIMCO-213540-01	unknown	—	—	—
└ 67.206.71.112/29	8	CIMCO-189431-01	unknown	—	—	—
└ 67.206.71.120/29	8	CIMCO-188609-01	unknown	—	—	—
└ 67.206.71.128/29	8	CIMCO-188210-01	unknown	—	—	—
└ 67.206.71.144/29	8	CIMCO-191215-01	unknown	—	—	—
└ 67.206.71.152/29	8	CIMCO-194925-01	unknown	—	—	—
└ 67.206.71.160/29	8	CIMCO-199782-01	unknown	—	—	—
└ 67.206.71.168/29	8	CIMCO-206063-01	unknown	—	—	—
└ 67.206.71.176/29	8	CIMCO-206178-01	unknown	—	—	—
└ 67.206.71.192/29	8	CIMCO-213140-01	unknown	—	—	—
└ 67.206.71.200/29	8	CIMCO-214500-01	unknown	—	—	—
└ 67.206.71.208/29	8	CIMCO-216256-01	unknown	—	—	—
└ 67.206.72.0/24	256	CIMCO-MPLS-05	unknown	—	—	—
└ 67.206.73.16/28	16	CIMCO-168374-01	unknown	—	—	—
└ 67.206.73.32/28	16	CIMCO-163769-01	unknown	—	—	—
└ 67.206.73.64/28	16	CIMCO-168362-01	unknown	—	—	—
└ 67.206.73.80/28	16	CIMCO-168377	unknown	—	—	—
└ 67.206.73.112/28	16	CIMCO-168365-01	unknown	—	—	—
└ 67.206.73.128/28	16	CIMCO-168371-01	unknown	—	—	—
└ 67.206.73.144/28	16	CIMCO-170963-01	unknown	—	—	—
└ 67.206.73.160/28	16	CIMCO-171059-01	unknown	—	—	—
└ 67.206.73.192/28	16	CIMCO-170760	unknown	—	—	—
└ 67.206.74.48/29	8	CIMCO-153681-01	unknown	—	—	—
└ 67.206.74.56/29	8	CIMCO-169679-01	unknown	—	—	—
└ 67.206.74.112/29	8	CIMCO-170062-01	unknown	—	—	—
└ 67.206.74.120/29	8	CIMCO-170063	unknown	—	—	—
└ 67.206.74.128/29	8	CIMCO-170064-01	unknown	—	—	—
└ 67.206.74.136/29	8	CIMCO-170067-01	unknown	—	—	—
└ 67.206.74.144/29	8	CIMCO-170068-01	unknown	—	—	—
└ 67.206.74.152/29	8	CIMCO-170071-01	unknown	—	—	—
└ 67.206.74.168/29	8	CIMCO-170212-01	unknown	—	—	—
└ 67.206.74.176/29	8	CIMCO-186580-01	unknown	—	—	—
└ 67.206.74.208/29	8	CIMCO-208121-01	unknown	—	—	—
└ 67.206.74.232/29	8	CIMCO-170601-01	unknown	—	—	—
└ 67.206.74.240/29	8	CIMCO-170796-01	unknown	—	—	—
└ 67.206.74.248/29	8	CIMCO-170729-01	unknown	—	—	—
└ 67.206.75.120/30	4	CIMCO-232375-01	unknown	—	—	—
└ 67.206.75.124/30	4	CIMCO-232659-01	unknown	—	—	—
└ 67.206.75.128/30	4	CIMCO-232622-01	unknown	—	—	—
└ 67.206.75.136/30	4	CIMCO-233112-01	unknown	—	—	—
└ 67.206.75.140/30	4	CIMCO-233113-01	unknown	—	—	—
└ 67.206.75.144/30	4	CIMCO-233110-01	unknown	—	—	—
└ 67.206.75.148/30	4	CIMCO-233109-01	unknown	—	—	—
└ 67.206.75.152/30	4	CIMCO-233108-01	unknown	—	—	—
└ 67.206.75.156/30	4	CIMCO-233107-01	unknown	—	—	—
└ 67.206.75.160/30	4	CIMCO-233706-01	unknown	—	—	—
└ 67.206.75.164/30	4	CIMCO-233711-01	unknown	—	—	—
└ 67.206.75.180/30	4	CIMCO-233708-01	unknown	—	—	—
└ 67.206.75.184/30	4	CIMCO-233713-01	unknown	—	—	—
└ 67.206.75.188/30	4	CIMCO-233712-01	unknown	—	—	—
└ 67.206.76.32/29	8	CIMCO-171496-01	unknown	—	—	—
└ 67.206.76.40/29	8	CIMCO-209211-01	unknown	—	—	—
└ 67.206.76.56/29	8	CIMCO-171677-01	unknown	—	—	—
└ 67.206.76.96/29	8	CIMCO-172124-01	unknown	—	—	—
└ 67.206.76.104/29	8	CIMCO-172013-01	unknown	—	—	—
└ 67.206.76.120/29	8	CIMCO-172167-01	unknown	—	—	—
└ 67.206.76.128/29	8	CIMCO-172169-01	unknown	—	—	—
└ 67.206.76.144/29	8	CIMCO-172172-01	unknown	—	—	—
└ 67.206.76.152/29	8	CIMCO-172209-01	unknown	—	—	—
└ 67.206.76.184/29	8	CIMCO-212985-01	unknown	—	—	—
└ 67.206.76.192/29	8	CIMCO-173511-01	unknown	—	—	—
└ 67.206.76.216/29	8	CIMCO-175325-01	unknown	—	—	—
└ 67.206.76.224/29	8	CIMCO-172980-01	unknown	—	—	—
└ 67.206.76.232/29	8	CIMCO-214419-01	unknown	—	—	—
└ 67.206.76.248/29	8	CIMCO-173294-01	unknown	—	—	—
└ 67.206.77.96/27	32	CIMCO-174216-01	unknown	—	—	—
└ 67.206.77.160/27	32	CIMCO-177014-01	unknown	—	—	—
└ 67.206.77.192/27	32	CIMCO-181149-01	unknown	—	—	—
└ 67.206.77.224/27	32	CIMCO-182168-01	unknown	—	—	—
└ 67.206.78.0/28	16	CIMCO-172309-01	unknown	—	—	—
└ 67.206.78.16/28	16	CIMCO-172399-01	unknown	—	—	—
└ 67.206.78.32/28	16	CIMCO-172264-01	unknown	—	—	—
└ 67.206.78.64/29	8	CIMCO-173333-01	unknown	—	—	—
└ 67.206.78.96/29	8	CIMCO-168372-01	unknown	—	—	—
└ 67.206.78.128/28	16	CIMCO-175332-01	unknown	—	—	—
└ 67.206.78.160/28	16	CIMCO-184954-01	unknown	—	—	—
└ 67.206.78.176/28	16	CIMCO-168376-01	unknown	—	—	—
└ 67.206.78.192/28	16	CIMCO-176646-01	unknown	—	—	—
└ 67.206.78.240/28	16	CIMCO-208043-01	unknown	—	—	—
└ 67.206.79.0/24	256	CIMCO-171113-01	unknown	—	—	—
└ 67.206.80.0/29	8	CIMCO-173316-01	unknown	—	—	—
└ 67.206.80.8/29	8	CIMCO-173426-01	unknown	—	—	—
└ 67.206.80.24/29	8	CIMCO-173491-01	unknown	—	—	—
└ 67.206.80.48/29	8	CIMCO-173677-01	unknown	—	—	—
└ 67.206.80.96/29	8	CIMCO-174044-01	unknown	—	—	—
└ 67.206.80.144/29	8	CIMCO-215602-02	unknown	—	—	—
└ 67.206.80.152/29	8	CIMCO-210530-01	unknown	—	—	—
└ 67.206.80.160/29	8	CIMCO-168768-01	unknown	—	—	—
└ 67.206.80.184/29	8	CIMCO-174223-01	unknown	—	—	—
└ 67.206.80.232/29	8	CIMCO-174981-01	unknown	—	—	—
└ 67.206.80.240/29	8	CIMCO-175026-01	unknown	—	—	—
└ 67.206.80.248/29	8	CIMCO-175453-01	unknown	—	—	—
└ 67.206.81.0/28	16	CIMCO-173266-01	unknown	—	—	—
└ 67.206.81.16/28	16	CIMCO-171689-01	unknown	—	—	—
└ 67.206.81.32/28	16	CIMCO-174464-01	unknown	—	—	—
└ 67.206.81.48/29	8	CIMCO-186226-01	unknown	—	—	—
└ 67.206.81.64/28	16	CIMCO-176207-01	unknown	—	—	—
└ 67.206.81.80/28	16	CIMCO-179347-01	unknown	—	—	—
└ 67.206.81.96/28	16	CIMCO-223423-01	unknown	—	—	—
└ 67.206.81.112/28	16	CIMCO-179382-01	unknown	—	—	—
└ 67.206.81.144/28	16	CIMCO-183029-01	unknown	—	—	—
└ 67.206.81.160/28	16	CIMCO-181155-01	unknown	—	—	—
└ 67.206.81.176/28	16	CIMCO-185885-01	unknown	—	—	—
└ 67.206.81.192/28	16	CIMCO-187302-01	unknown	—	—	—
└ 67.206.81.208/28	16	CIMCO-185711-01	unknown	—	—	—
└ 67.206.81.224/28	16	CIMCO-187699-01	unknown	—	—	—
└ 67.206.81.240/28	16	CIMCO-187440-01	unknown	—	—	—
└ 67.206.82.0/24	256	CIMCO-173762-01	unknown	—	—	—
└ 67.206.83.0/27	32	CIMCO-174050-01	unknown	—	—	—
└ 67.206.83.32/27	32	CIMCO-176207-01	unknown	—	—	—
└ 67.206.83.64/27	32	CIMCO-180420-01	unknown	—	—	—
└ 67.206.83.96/27	32	CIMCO-187253-01	unknown	—	—	—
└ 67.206.83.128/27	32	CIMCO-188609-02	unknown	—	—	—
└ 67.206.83.160/27	32	CIMCO-189352-01	unknown	—	—	—
└ 67.206.83.192/27	32	CIMCO-189180-01	unknown	—	—	—
└ 67.206.83.224/27	32	CIMCO-189539-01	unknown	—	—	—
└ 67.206.84.0/24	256	CIMCO-213551-01	unknown	—	—	—
└ 67.206.86.8/29	8	CIMCO-173001-01	unknown	—	—	—
└ 67.206.86.16/29	8	CIMCO-176055-01	unknown	—	—	—
└ 67.206.86.24/29	8	CIMCO-176057-01	unknown	—	—	—
└ 67.206.86.32/29	8	CIMCO-176-059-01	unknown	—	—	—
└ 67.206.86.56/29	8	CIMCO-177469-01	unknown	—	—	—
└ 67.206.86.64/29	8	CIMCO-177313-01	unknown	—	—	—
└ 67.206.86.80/29	8	CIMCO-177314-01	unknown	—	—	—
└ 67.206.86.88/29	8	CIMCO-176405-01	unknown	—	—	—
└ 67.206.86.104/29	8	CIMCO-177673-01	unknown	—	—	—
└ 67.206.86.112/29	8	CIMCO-177925-01	unknown	—	—	—
└ 67.206.86.120/29	8	CIMCO-178208-01	unknown	—	—	—
└ 67.206.86.176/29	8	CIMCO-178106-01	unknown	—	—	—
└ 67.206.86.184/29	8	CIMCO-209070-01	unknown	—	—	—
└ 67.206.86.192/29	8	CIMCO-179125-01	unknown	—	—	—
└ 67.206.86.200/29	8	CIMCO-178621-01	unknown	—	—	—
└ 67.206.86.208/29	8	CIMCO-212767-01	unknown	—	—	—
└ 67.206.86.240/29	8	CIMCO-179061-01	unknown	—	—	—
└ 67.206.86.248/29	8	CIMCO-185231-01	unknown	—	—	—

← Previous1–200 of 232 · page 1 of 2Next →

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS16399

Name: First Communications LLC
Type: Internet provider
Registered: Apr 25, 2000
Domain: firstcomm.com
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS2707 not the origin	RADB	RR-RC-FirstComm-Central	MAINT-RR	Jul 9, 2026
AS16399	RADB	FirstComm IL (old Cimco)	MAINT-AS2707	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
67.206.82.0/24	AS46242	RADB	FirstComm IL BGP Cust - Safeway Insurance	MAINT-AS2707	Nov 13, 2023
67.206.92.0/24	AS53851	RADB	Comcast Cable Communications, Inc.	MAINT-AS7922	Nov 13, 2023

67.206.64.0/19

Announcements

Announcements inside

Registrations in this block

Network & registry

AS16399

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact