Data as of Nov 8, 2026
204.19.21.0/24
No anonymizer space · no proxy exits in 30 daysZayo Bandwidth · space held by MKS Informatique
Network & registry
Announced by
Covering announcement 204.19.20.0/23
- Prefix
- 204.19.20.0/23
- Announced by
- AS6461 Zayo Bandwidth
- Type
- Unknown
- RPKI
- No RPKI
- Netname
- MKSINFO-QC-CA
- Registrant
- MKS Informatique
- RIR
- ARIN
Origin network
AS6461
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- zayo.com
- Website
- www.zayo.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.19.20.0/23
204.19.20.0/23
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- May 2024 · 2.4 yr
- Origin networks
- 3
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 204.
19. 20. 0/ 23 - Netname
- MKSINFO-QC-CA
- Registrant
- MKS Informatique
- Organization
- MKS Informatique (MKSINF)
- Org address
- MKS Informatique, Laval, QC, H7S 2B2
- Org country
- CA
- Type
- Direct Allocation
- Handle
- NET-204-19-20-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Oct 6, 1994
- RIR
- ARIN
- Country
- CA
- Delegated
- Oct 6, 1994
- Status
- assigned
Report abuse
Abuse contact
- admin@
mksinfo. qc. ca - Name
- Taillon, Eric
- Phone
- +1-514-332-4110
- Handle
- ET226-ARIN