Data as of Nov 4, 2026
159.18.53.0/24
No anonymizer space · no proxy exits in 30 daysCGI Inc. · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 159.18.0.0/16 since Dec 2020 | AS6461 | Internet provider | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 159.18.0.0/16 | 65,536 | ZAYO-CAN-20 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 27, 1992 | [email protected] |
| └ 159.18.53.0/24 | 256 | CGI-INFOSYS-MGMT-CONSULTANTS-INC | CGI Information Systems (C07294287) · CA | Reassigned | Feb 13, 2019 | [email protected] via ZAYO-CAN-20 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 159.18.0.0/16
- Registration type
- Direct Allocation
- Record created
- Feb 27, 1992
- Legacy
- yes
Origin network
AS18563
CA
- Name
- CGI Inc.
- Type
- Business
- Registered
- Sep 12, 2000
- Domain
- cgi.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2006
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 2
- Last change of origin
- Mar 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 159.18.53.0/24 | AS18563 | /24 | ARIN | RPKI valid |
| 159.18.0.0/16 | AS6461 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19086 not the origin | BELL | CGI-Purolator | MNT-CGI | Aug 19, 2009 |
Whois
Registration for this announcement
- Range
- 159.18.53.0/24
- Netname
- CGI-INFOSYS-MGMT-CONSULTANTS-INC
- Registrant
- CGI Information Systems
- Organization
- CGI Information Systems (C07294287)
- Type
- Reassigned
- Handle
- NET-159-18-53-0-1
- Parent
- NET-159-18-0-0-1
- Created
- Feb 13, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 27, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN