# 37.63.16.11 — IP Intelligence Summary

37.63.16.11 is an IPv4 address operated by A1BG_MB - A1 Bulgaria EAD, BG (AS12716), with approximate network location Sofia, Bulgaria. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/37.63.16.11
- Last updated: 2026-11-13

## Ownership

- Organization: AS13124-MNT
- Network name: A1-NGN-22
- Allocated block: 37.63.16.0/22
- ASN: AS12716 (https://ipdebrief.com/asn/12716)
- Regional registry: RIPE
- Registered holder: AS13124-MNT
- Routing operator: A1BG_MB - A1 Bulgaria EAD, BG
- Network registration country: BG
- Registrant address country: —

## Location

- City: Sofia
- Region: Sofia-Capital
- Country: Bulgaria
- Time zone: Europe/Sofia

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not applicable (—)
- spf: Unknown / lookup inconclusive (—)
- dmarc: Unknown / lookup inconclusive (—)
- dnssec: Unknown / lookup inconclusive (11.16.63.37.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive

## Nearby addresses

- 37.63.16.190 (https://ipdebrief.com/37.63.16.190)

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Source: IPDebrief, "37.63.16.11 IP intelligence", https://ipdebrief.com/37.63.16.11, updated 2026-11-13. Assessments are probabilistic.