AS394821
Toronto District School Board
AS394821 is Toronto District School Board (tdsb.on.ca). It announces 512 IPv4 addresses in 2 prefixes, and 0 IPv6 prefixes.
Canada· ARIN· allocated 2016-01-13· education
512
IPv4 addresses announced
2
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
512
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Canada512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TDSB
- name
- Toronto District School Board
- org
- TDSB-1
- org name
- Toronto District School Board
- org address
- 5050 Yonge Street, Toronto, ON, M2N 5N8
- org city
- Toronto
- org country
- CA
- country
- CA
- source
- arin
- created
- 2016-01-13
- updated
- 2016-01-13
- abuse name
- IT Services
- abuse email
- Xiaohong.Wu@tdsb.on.ca
- abuse phone
- +1-416-396-5028
- abuse kind
- role
- abuse city
- Toronto
- abuse country
- CA
- admin name
- IT Services
- admin email
- Xiaohong.Wu@tdsb.on.ca
- admin phone
- +1-416-396-5028
- admin kind
- role
- admin city
- Toronto
- admin country
- CA
- tech name
- IT Services
- tech email
- Xiaohong.Wu@tdsb.on.ca
- tech phone
- +1-416-396-5028
- tech kind
- role
- tech city
- Toronto
- tech country
- CA
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 199.85.252.0/24 | Canada | not found | 16 | 2026-10-02 |
| 199.85.253.0/24 | Canada | not found | 16 | 2026-10-02 |
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