AS839

AS839 is a dormant legacy autonomous system registered to Canadian Research Network under ARIN's CANET2-ASN block (AS838–AS842) and has announced zero routes since 2003. Live data from ARIN RDAP, RIPEstat, and CAIDA AS Rank agree independently: zero announced IPv4 or IPv6 prefixes, zero visible peers or upstreams, and a customer cone limited to the ASN itself.

ARIN's registry status for the block reads "active," but that reflects registration bookkeeping rather than operational activity. RIPEstat's routing history shows the last BGP announcement it observed from AS839 — 207.148.0.0/17 — on 2003-05-29, over 23 years of routing silence as of this August 2026 check. CAIDA independently marks the ASN as not currently seen in its topology, with an AS rank of 79,459.

The block's name (CANET2-ASN) and the registrant's University of Toronto address (255 Huron Street, McLennan Physical Laboratories) line up historically with CA*net II, the 1997-launched, Bell-operated research-and-education backbone that succeeded Canada's original CA*net. No source names AS839 specifically within that history, so the connection is a likely inference rather than a confirmed one.

The registrant name, "Canadian Research Network," is a different string from CANARIE Inc., the modern Canadian NREN (AS6509, canarie.ca). No operator-published source ties the two together, and CANARIE's own About and Network pages make no mention of AS839, CA*net2, or CANET2-ASN, so this entry does not assert they are the same organization. The registration's nominal domain, canet.ca, no longer resolves, and ARIN's own remarks flag the listed technical and abuse contact as unresponsive since 2010-06-09.

No "registration" event exists in the ARIN RDAP record for this block — only a single "last changed" event dated 2003-07-14 — so an allocation date cannot be recorded without fabricating one.

Operator

Canadian Research Network (ARIN org handle CRN-6), 255 Huron Street, Room 350, McLennan Physical Laboratories, University of Toronto, Toronto, ON M5S 3J1, Canada — registrant of record for the AS838–AS842 block [Confirmed] — ARIN RDAP autnum/838, entity/CRN-6. Relationship to CANARIE Inc. (AS6509, the modern Canadian NREN) is unconfirmed; no operator-published source ties the two names together

[Unknown] — canarie.ca/about, canarie.ca/network

Country / RIR

CA, ARIN [Confirmed] — ARIN RDAP autnum/838; RIPEstat abuse-contact-finder

Allocated

Unknown — the ARIN RDAP autnum record's top-level events[] holds only a single "last changed" event (2003-07-14) and no "registration" eventAction, confirmed via two independent fetches including one requesting the raw events array verbatim [Confirmed absence] — ARIN RDAP autnum/838

Org status

SPLIT — ARIN registry status reads "active," but operational signals show a dormant registration: no BGP announcement since 2003-05-29, technical/abuse POC flagged invalid by ARIN since 2010-06-09, registration domain canet.ca does not resolve, no PeeringDB entry [Confirmed]. Whether "Canadian Research Network" still exists as a distinct filed entity is Unknown — no independent corporate-registry record was found

[Unknown] — ARIN RDAP autnum/838, entity/CRN-6

Contacts

noc@canet.ca (Bell Global Network Operations, ARIN POC handle CA-NOC-ARIN; roles administrative/abuse/technical), 100 Wynford Dr Flr 1, North York, ON M3C-1K4, Canada; tel +1-800-450-7777 — flagged by ARIN itself as unresponsive/invalid since 2010-06-09

[Confirmed] — ARIN RDAP autnum/838, RIPEstat abuse-contact-finder

Security/abuse context (NEUTRAL, DATED)

no notable public abuse signal found as of 2026-08-08; 3 of 4 standard feeds (Spamhaus check tool, Talos, AbuseIPDB) returned HTTP 403 (coverage gap, not confirmed-clean); VirusTotal had no indexed results; NANOG archive hits (53) are automated 1996–98 report-table rows only

Network & routing

Network type

legacy/inactive; name and address align historically with CA*net II, a 1997-launched research/education-only backbone [Likely] — RDAP network name CANET2-ASN; en.wikipedia.org/wiki/CANARIE; canarie.ca/a-birthday-for-canadas-internet

Size

dormant — 0 IPv4 prefixes / 0 IPv4 addresses, 0 IPv6 prefixes; customer cone = 1 ASN (itself), 0 prefixes, 0 addresses [Confirmed] — RIPEstat routing-status; CAIDA AS Rank (2026-08)

Routing/peering

NOT announced — 0 of 327 RIS v4 peers and 0 of 322 RIS v6 peers currently see this AS; CAIDA asnDegree customer/peer/provider all 0; no PeeringDB entry (HTTP 404) [Confirmed]. Last RIS-observed announcement: 207.148.0.0/17 on 2003-05-29

[Confirmed] — stat.ripe.net routing-status, api.asrank.caida.org, peeringdb.com/asn/839

RPKI

not assessable — zero announced prefixes means there is nothing to validate a ROA against [Confirmed] — stat.ripe.net announced-prefixes (empty result)

Notable usage

block name and registrant address are consistent with CA*net II, the R&E-only successor to Canada's original CA*net, operated under Bell Advanced Communications from 1997; no source names AS839 individually in that history [Likely] — en.wikipedia.org/wiki/CANARIE, canarie.ca/a-birthday-for-canadas-internet. No current usage found; third-party BGP aggregation (ipinfo.io, non-operator) independently shows 0 prefixes/peers/domains [Confirmed, non-operator source]

Related ASNs

AS838, AS840, AS841, AS842 — same CANET2-ASN block, same registrant (CRN-6), identical RDAP record [Confirmed] — ARIN RDAP autnum/838

Analyst note

Dormant legacy ASN in a five-member block (AS838–AS842) registered to "Canadian Research Network," whose name and Toronto address align historically with CA*net II. Do not equate the registrant with CANARIE Inc. (AS6509) — unconfirmed, and canarie.ca does not mention this ASN. RDAP, RIPEstat, and CAIDA agree independently: 0 prefixes, 0 peers, dormant since 2003.