Data as of Nov 13, 2026

205.237.192.0/20

No anonymizer space · no proxy exits in 30 days

C3

Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
97% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeHolderRPKI
205.237.192.0/24
since Jan 2020
AS32415UnknownC3
205.237.193.0/24
since Jan 2020
AS32415UnknownC3
205.237.194.0/24
since Jan 2020
AS32415UnknownC3
205.237.195.0/24
since Jan 2020
AS32415UnknownC3
205.237.196.0/24
since Jan 2020
AS32415UnknownC3
205.237.197.0/24
since Jan 2020
AS32415UnknownC3
205.237.198.0/24
since Jan 2020
AS32415UnknownC3
205.237.199.0/24
since Jan 2020
AS32415UnknownC3
205.237.200.0/24
since Jan 2020
AS32415UnknownC3
205.237.201.0/24
since Jan 2020
AS32415UnknownC3
205.237.202.0/24
since Jan 2020
AS32415UnknownC3
205.237.203.0/24
since Jan 2020
AS32415UnknownC3
205.237.204.0/24
since Jan 2020
AS32415UnknownC3
205.237.205.0/24
since Jan 2020
AS32415UnknownC3
205.237.206.0/24
since Jan 2020
AS32415UnknownC3
205.237.207.0/24
since Jan 2020
AS32415UnknownC3

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
205.237.192.0/204,096ETHERNEXTC3 (CCCL-46) · USDirect AllocationMay 19, 2004rmancinelli@c3cloud.com
└ 205.237.194.0/25128TUFFMAIL-205-237-194-0-25unknown———
└ 205.237.207.0/25128TELXunknown———
└ 205.237.207.128/25128TUFFMAIL-205-237-207-128-25unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Unknown3,96897%16
Business1283.1%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Sep 2009
Current origin since
Jan 2020 · 6.8 yr
Origin networks
2
Last change of origin
Jan 2020
Recorded history

History

Handoffs
1