Data as of Nov 7, 2026
137.220.8.0/21
5 residential-proxy exits · 30 daysSpringcom
Residential-proxy exits
Proxy exits
5
0.24% of its addresses · 30 days
Always-on exits
1
20% of its exits
Spread
2 of 8
/24s with at least one exit
Providers
25
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
2.7K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 137.220.8.0/24 | 1 | 3 | |
| 137.220.12.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- ColaProxy
- EnigmaProxy
- FastProxy
- GonzoProxy
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeMaven
- Oxylabs
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyRack
- Proxyma
- Shifter
- Thordata
- VitalExclusive
- VitalProxy
Network & registry
Origin network
AS397903
US
- Name
- Springcom
- Type
- Internet provider
- Registered
- Sep 4, 2019
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.220.8.0/21 | AS397903 | /21 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 137.
220. 8. 0/ 21 - Netname
- SPRIN-146
- Registrant
- Springcom
- Organization
- Springcom (SPRIN-146)
- Org address
- 400 E. Main St., Springport, MI, 49284
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-220-8-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Sep 12, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 12, 2019
- Status
- assigned
Report abuse
Abuse contact
- jsbeilfuss@
gmail. com - Name
- Beilfuss, Janet
- Phone
- +1-517-857-3100
- Handle
- BEILF-ARIN