5.53.136.0

Sofia · Bulgaria · A1 Bulgaria EAD

Autonomous system: AS13124
Country: BG
Risk score: Not a probability

IP address summary

IP address: 5.53.136.0
ASN: AS13124
Network operator: A1 Bulgaria EAD
ISP: A1 Bulgaria EAD
Containing network profile: 5.53.0.0/16
Operator category: Home ISP

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS13124
Source label: A1BG_RSD A1 Bulgaria EAD
Reference interval: 5.53.128.0 to 5.53.175.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS13124. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: Bulgaria
City: Sofia
Region: Sofia-Capital
Postal code: Not supplied
Timezone: Europe/Sofia
Local time: 2026-11-05 21:16:26
Approximate coordinates: 42.711, 23.305

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score

0/ 100

No elevated indicators

Threat evidence: 0No threat-feed match
Anonymity context: 0Policy points

Score = max(threat, anonymity). Overlapping signals are not added.

Threat-feed coverageCurrent at lookup

Attribution and snapshot details

DROP IPv4Current at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC
ASN-DROPCurrent at lookup: Checked: Nov 5, 2026, 4:15 AM UTC
Valid until: Nov 6, 2026, 6:15 AM UTC

ipquery-risk-v2

A low score is not proof that an address is safe. This assessment describes an address, not a person or a request.

View scoring method

Read exact field definitions

ASN and network operator

AS13124 profile

Organization: A1 Bulgaria EAD
ASN domain: a1.bg
Operator type: Home ISP

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 5.53.136.0/21
Registered network name: A1-5_53_136
Registered network block: 5.53.136.0/21
Registration source: RIPENCC WHOIS
Company: Sofia Lozenetc
Usage type: residential
Company website: a1.bg

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: A1 Bulgaria EAD Abuse
Published contact network: 5.53.136.0/21
Abuse email: RIPE.Abuse@a1.bg
Phone: +359 2 881103540
Postal address: 1 Kukush Str. 1345, Sofia, Bulgaria
Contact country: Bulgaria

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

5.53.136.0 · live response

{
  "ip": "5.53.136.0",
  "isp": {
    "asn": "AS13124",
    "org": "A1 Bulgaria EAD",
    "isp": "A1 Bulgaria EAD"
  },
  "location": {
    "country": "Bulgaria",
    "country_code": "BG",
    "city": "Sofia",
    "state": "Sofia-Capital",
    "zipcode": "",
    "latitude": 42.711490899813334,
    "longitude": 23.30467010912814,
    "timezone": "Europe/Sofia",
    "localtime": "2026-11-05T21:16:26"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0,
    "assessment": {
      "version": "ipquery-risk-v2",
      "level": "none",
      "threat_score": 0,
      "anonymity_score": 0,
      "coverage": "fresh",
      "reasons": [],
      "sources": [
        {
          "id": "spamhaus_drop_v4",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-04T18:44:02Z"
        },
        {
          "id": "spamhaus_asndrop",
          "status": "fresh",
          "checked_at": "2026-11-05T04:15:06Z",
          "expires_at": "2026-11-06T06:15:06Z",
          "published_at": "2026-11-05T03:44:02Z"
        }
      ]
    }
  }
}