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AS27

UMDNET

United States (US)

ASN Information

AS NumberAS27
AS NameUMDNET
OrganizationUMDNET - University of Maryland
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count11
IPv4 Prefix Count5
IPv6 Prefix Count6
RPKI StatusNotFound ×5Unknown (could not be determined) ×6
IRR RecordsView IRR route objects
Websitehttp://www.mdren.net/ ↗

AS Path to AS27

  1. 37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd
  2. 6461ZAYO-6461 - Zayo Bandwidth
  3. 10886MAX-GIGAPOP - University of Maryland
  4. 27Origin

Most common path, seen 20× in route collector data, latest at a collector in Johannesburg (2026-10-18 08:36:01 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 14 peer session(s)Johannesburg: 19 peer session(s)Singapore: 21 peer session(s)Amsterdam: 23 peer session(s)London: 30 peer session(s)Eugene, OR: 59 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 (11)

View All →
PrefixFamilyRPKILast Seen
128.8.0.0/16IPv4NotFoundNot looked up yet
129.2.0.0/16IPv4NotFoundNot looked up yet
192.54.94.0/23IPv4NotFoundNot looked up yet
192.54.96.0/21IPv4NotFoundNot looked up yet
192.54.100.0/22IPv4NotFoundNot looked up yet
2605:880::/48IPv6Not checkedNot looked up yet
2605:880:1::/48IPv6Not checkedNot looked up yet
2605:880:10::/48IPv6Not checkedNot looked up yet

Peers (1)

View All →
ASNameRelationshipPathsLast Seen
AS10886MAX-GIGAPOP - University of MarylandUpstream (inferred)883

Neighbours seen next to AS27 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 (0)

IX Updates →

No Internet Exchange ports are registered for AS27.

IX ports registered by AS27 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS27.

Data centres where AS27 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyNot available
Multiple locationsNot available
Ratio requirementNo
ContractNot available
TrafficNot available
Traffic ratioNot Disclosed
Geographic scopeNot Disclosed
Max prefixes (IPv4 / IPv6)Not available
Unicast / IPv6 / MulticastNo / No / No
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS27.

Only contacts the network has chosen to publish are shown.

Upstreams (1)

ASNameRelationshipPathsLast Seen
AS10886MAX-GIGAPOP - University of MarylandUpstream (inferred)883

Downstreams (0)

No downstream ASNs found for AS27 in current data sources.

Registry and network details

Registered holderUMDNET - University of Maryland
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges0
Facilities0
Network profile updated

Data updated . See limitations.