Data as of Nov 9, 2026
204.108.128.0/19
No anonymizer space · no proxy exits in 30 daysChesconet
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.108.129.0/24 since Jun 2026 | AS20413 | Internet provider | Chesconet | |
| 204.108.148.0/24 since Aug 2016 | AS394258 | Business | Chesconet | |
| 204.108.150.0/24 since Jun 2026 | AS20413 | Business | Chesconet | |
| 204.108.158.0/24 since Jul 2022 | AS20413 | Internet provider | Chesconet |
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 |
|---|---|---|---|---|---|---|
| 204.108.128.0/19 | 8,192 | CHESCOMAN-1 | Chesconet (CHS1) · US | Direct Allocation | Oct 6, 1994 | — |
| └ 204.108.129.0/24 | 256 | CHESTER-COUNTY-INTERMEDIATE-UNIT | unknown | Reassigned | Jun 4, 2021 | — |
| └ 204.108.130.0/24 | 256 | CHESCONET | unknown | — | — | — |
| └ 204.108.131.0/24 | 256 | CHESTER-COUNTY-LIBRARY-SYSTEM | unknown | — | — | — |
| └ 204.108.134.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.135.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.136.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.137.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.138.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.139.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.140.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.141.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.142.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.143.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.145.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.146.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.147.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.148.0/24 | 256 | WEST-CHESTER-AREA-SCHOOL-DISTRICT | West Chester Area School District (C01219717) · US | Reassigned | Nov 14, 2005 | — |
| └ 204.108.149.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.150.0/23 | 512 | CHESTER-COUNTY-INTERMEDIATE-UNIT | Chester County Intermediate Unit (C01220495) · US | Reassigned | Nov 15, 2005 | — |
| └ 204.108.152.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.153.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.154.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.155.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.156.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.157.0/28 | 16 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.157.16/28 | 16 | CHESCO-NET | unknown | — | — | — |
| └ 204. | 192 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.158.0/27 | 32 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.158.32/27 | 32 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.158.64/27 | 32 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.158.96/27 | 32 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.158.128/26 | 64 | COLLEGIUM-CHARTER-ORG | unknown | — | — | — |
| └ 204.108.158.192/27 | 32 | COATESVILLE-K12-PA-US | unknown | — | — | — |
| └ 204.108.158.224/27 | 32 | CHESCO-NET | unknown | — | — | — |
| └ 204.108.159.0/24 | 256 | CHESCO-NET | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 7,392 | 90% | 7 | |
| Business | 800 | 9.8% | 11 |
Network & registry
Origin network
AS20413
US
- Name
- Chesconet
- Type
- Internet provider
- Registered
- May 28, 2019
- Domain
- chesco.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
108. 128. 0/ 19 - Netname
- CHESCOMAN-1
- Registrant
- Chesconet
- Organization
- Chesconet (CHS1)
- Org address
- Chesconet, Downingtown, PA, 19335
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-108-128-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Oct 6, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 6, 1994
- Status
- assigned
Report abuse
Abuse contact
- LKonig@
chesco. net - Name
- Konig, Larry
- Phone
- +1-484-237-5300
- Handle
- LKO36-ARIN