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AS21632

Grizzly Broadband LLC

United States (US)

ASN Information

AS NumberAS21632
AS NameCYBERNET1
OrganizationCYBERNET1 - Cybernet1
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeCable/DSL/ISP
Last Seen
Announcement Count12
IPv4 Prefix Count12
IPv6 Prefix Count0
RPKI StatusValid ×11NotFound ×1
IRR RecordsView IRR route objects
Websitehttp://www.grizzlybb.com ↗

AS Path to AS21632

  1. 6939HURRICANE - Hurricane Electric LLC
  2. 21632Origin

Most common path, seen 55× in route collector data, latest at a collector in Johannesburg (2026-10-20 23:12:38 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 14 peer session(s)São Paulo: 20 peer session(s)Johannesburg: 23 peer session(s)Amsterdam: 24 peer session(s)Singapore: 25 peer session(s)London: 34 peer session(s)Eugene, OR: 58 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (12)

View All →
PrefixFamilyRPKILast Seen
66.62.89.0/24IPv4ValidNot looked up yet
66.62.93.0/24IPv4ValidNot looked up yet
66.62.95.0/24IPv4ValidNot looked up yet
66.62.113.0/24IPv4ValidNot looked up yet
66.62.121.0/24IPv4ValidNot looked up yet
66.62.122.0/24IPv4ValidNot looked up yet
66.62.123.0/24IPv4ValidNot looked up yet
66.62.124.0/24IPv4ValidNot looked up yet

Peers (10)

View All →
ASNameRelationshipPathsLast Seen
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)920
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)15
AS9002RETN-AS RETN LimitedUpstream (inferred)5
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)5
AS35280F5 F5 Networks SARLUpstream (inferred)5
AS36236NETACTUATE - NetActuate, IncUpstream (inferred)5

Neighbours seen next to AS21632 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (2)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
SIX SeattleSeattle, US206.81.81.922001:504:16::5480100GYes
SIX SeattleSeattle, US206.81.82.182001:504:16::530:0:548010GNo
SIX Seattle (Jumbo)Seattle, US149.112.97.922001:504:16:1::5480100GNo

IX ports registered by AS21632 (self-reported by the network).

Interconnection Facilities (1)

FacilityCityCountry
iConnect MissoulaMissoulaUnited States

Data centres where AS21632 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETRS-GRIZZLYBB
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioMostly Inbound
Geographic scopeRegional
Max prefixes (IPv4 / IPv6)12 / 1
Unicast / IPv6 / MulticastYes / Yes / No
Looking glassNot available
Route serverNot available

Contact Information (3)

RoleNameEmailPhone
NOCRadar Mooreradar@grizzlybb.com+14063632183
TechnicalChristian Palecekchristian@cybernet1.com(406)363-2183x219
TechnicalJames Fittsjames.fitts@grizzlybb.com+14063632183

Only contacts the network has chosen to publish are shown.

Upstreams (9)

ASNameRelationshipPathsLast Seen
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)920
AS58511ANYCAST-GLOBAL-BACKBONE - Anycast Global BackboneUpstream (inferred)20
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTDUpstream (inferred)15
AS9002RETN-AS RETN LimitedUpstream (inferred)5
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)5
AS35280F5 F5 Networks SARLUpstream (inferred)5
AS36236NETACTUATE - NetActuate, IncUpstream (inferred)5
AS394256CLOUDSINGULARITY - Tech Futures Interactive Inc.Upstream (inferred)Inferred—

Downstreams (0)

No downstream ASNs found for AS21632 in current data sources.

Registry and network details

Registered holderCYBERNET1 - Cybernet1
RegisteredYes
Peering policyOpen
IRR AS-setRS-GRIZZLYBB
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges2
Facilities1
Network profile updated

Data updated . See limitations.