View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	216.177.0.0/19	Fibercast Corporation
	66.211.128.0/20	FirstLight Fiber, Inc.
	66.211.144.0/20	FirstLight Fiber, Inc.
	199.201.159.0/24	JLC
	199.204.194.0/24
	199.204.195.0/24
	199.204.199.0/24
	208.89.156.0/24	SecureSysCom, Inc.
	208.89.158.0/24	SecureSysCom, Inc.
	216.177.0.0/24	Fibercast Corporation
	216.177.1.0/24	Fibercast Corporation
	216.177.2.0/24	Fibercast Corporation
	216.177.4.0/24	Fibercast Corporation
	216.177.5.0/24	FiberCast HSI Coos
	216.177.6.0/24	Fibercast Corporation
	216.177.8.0/24	Fibercast Corporation
	216.177.9.0/24	Fibercast Cable Communications
	216.177.11.0/24	Fibercast Corporation
	216.177.12.0/24	Fibercast Cable Communications
	216.177.13.0/24	Fibercast Corporation
	216.177.14.0/24	Fibercast Corporation
	216.177.20.0/24	Fibercast Corporation
	216.177.22.0/24	Fibercast Cable Communications
	216.177.23.0/24	Fibercast Corporation
	216.177.24.0/24	Fibercast Corporation
	216.177.25.0/24	FiberCast HSI Coos
	216.177.26.0/24	Fibercast Corporation
	216.177.27.0/24	Fibercast Corporation
	216.177.28.0/24	Fibercast Corporation
	216.177.29.0/24	Fibercast Corporation
	216.177.30.0/24	Fibercast Corporation
	216.177.31.0/24	FiberCast FTTH ColumbiaCoos

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy wonderful_keldysh Policy relaxed_shirley Policy eager_rhodes Policy frosty_germain Policy blissful_burnell

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS13536	FirstLight Fiber, Inc.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS13536	FirstLight Fiber, Inc.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS1828	Unitas Global	✔	✘
	AS54613	Converted Networks LLC	✔	✘
	AS293	ESnet	✔	✘
	AS1351	University of Vermont	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS2734	CoreSite	✔	✘

ASHandle:       AS10367
OrgID:          FC-208
ASName:         FIBERCAST
ASNumber:       10367
RegDate:        1997-07-14
Comment:        http://www.FiberCast.net
Comment:        New Hampshire Fiber Optic Service Provider
Comment:        603-613-4000 Colebrook Office Hours 8:00am to 5:00pm EST
Updated:        2019-02-19
Source:         ARIN



OrgID:          FC-208
OrgName:        Fibercast Corporation
CanAllocate:    
Street:         CAV.NET
Street:         PO BOX 10
City:           EAST DERRY
State/Prov:     NH
Country:        US
PostalCode:     03041
RegDate:        2013-11-01
Updated:        2024-11-25
OrgAdminHandle: CAVGE-ARIN
OrgTechHandle:  CAVGE-ARIN
OrgTechHandle:  GC663-ARIN
OrgAbuseHandle: NAD99-ARIN
OrgNOCHandle:   CAVGE-ARIN
Source:         ARIN





OrgAdminHandle:       CAVGE-ARIN
OrgAdminName:         Gent Cav
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CAVGE-ARIN
OrgTechName:          Gent Cav
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        GC663-ARIN
OrgTechName:          Gent Cav
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NAD99-ARIN
OrgAbuseName:          Network Abuse Dept
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         CAVGE-ARIN
OrgNOCName:           Gent Cav
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:27:14Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-tvc	383
RADB	as-hurricane	24477
ARIN	as-cavnet	4
ARIN	as17356:as-fibercast	2
RIPE	as-transroute-spec	19663
RADB	as17356:as-fibercast	2
ARIN	as3770:as-all	329