Data as of Nov 4, 2026
199.243.153.0/24
No anonymizer space · no proxy exits in 30 daysI.S.F Quebec, Inc · space held by Bell Canada
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.243.128.0/18 since May 2005 | AS577 | Residential | 21 | Bell Canada | |
| 199.243.0.0/16 since May 2005 | AS577 | Residential | 121 4 always on | Bell Canada |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 199.243.0.0/16 | 65,536 | WORLDLINX05 | Bell Canada (LINX) · CA | Direct Allocation | Apr 27, 1994 | [email protected] |
| └ 199.243.153.0/24 | 256 | ISF18-04909-210300-84-20190322-CA | I.S.F Quebec, Inc (IQ-2) · CA | Reassigned | Aug 25, 2021 | — |
Network & registry
IPv4 market
Holder
- Organization
- Bell Canada
- Handle
- LINX
- Range
- 199.243.0.0/16
- Registration type
- Direct Allocation
- Record created
- Apr 27, 1994
- Legacy
- yes
Origin network
AS40895
CA
- Name
- I.S.F Quebec, Inc
- Type
- Internet provider
- Registered
- Aug 24, 2020
- Domain
- isfquebec.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2021
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.243.153.0/24 | AS40895 | /24 | ARIN | RPKI valid |
| 199.243.128.0/18 | AS577 | /18 | ARIN | Another network |
| 199.243.0.0/16 | AS577 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS40895 | BELL | Proxy-registered for ISF Quebec | BELL-RC | Sep 20, 2021 |
Whois
Registration for this announcement
- Range
- 199.243.153.0/24
- Netname
- ISF18-04909-210300-84-20190322-CA
- Registrant
- I.S.F Quebec, Inc
- Organization
- I.S.F Quebec, Inc (IQ-2)
- Org address
- 6995 rue des Sittelles, Laval, QC, H7L 5X1
- Org country
- CA
- Type
- Reassigned
- Handle
- NET-199-243-153-0-1
- Parent
- NET-199-243-0-0-1
- Created
- Aug 25, 2021
- RIR
- ARIN
- Country
- CA
- Delegated
- Apr 27, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse Business abuse issues
- Phone
- +1-877-877-2426
- Handle
- ABAI1-ARIN