IP address 78.128.57.120

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Overview

LocationCity, region and country where this IP is located.
Pleven, Oblast Pleven, BG
ASNThe autonomous system that announces this IP on the internet.
AS58079 — Skynet Ltd
TimezoneThe IANA time zone at this IP's location.
Europe/Sofia
NetworkThe routed network block (CIDR) that contains this IP.
78.128.57.0/24
CompanyThe organization this IP is assigned to.
Optisprint OOD
Abuse contactWhere to report spam, attacks or other misuse from this IP.
abuse@optisprint.net

Associated location

Pleven

Oblast Pleven, Bulgaria (BG)

Powered byIP Geolocation API

City
Pleven
District / county
Pleven
State / province
Oblast Pleven
Country
Bulgaria
Postal code
5800
Coordinates
43.41323, 24.61870

Bulgaria

43.41323, 24.61870

© Google Maps

Threat score

0/100 Low risk

Powered byIP Security API

Flags detected

  • AnonymousTraffic from this IP hides its real origin (VPN, proxy or Tor).Not Detected
  • Known AttackerThis IP has been seen in attacks such as brute force, scanning or exploits.Not Detected
  • SpamThis IP has been reported for sending spam.Not Detected
  • TorThis IP is a Tor exit node.Not Detected
  • ProxyThis IP is an open, public or commercial proxy.Not Detected
    Residential ProxyA home or mobile connection resold as a proxy exit.Not Detected
  • BotAutomated traffic such as crawlers or scrapers comes from this IP.Not Detected
    Known Good BotThis bot is a known, legitimate crawler, such as a search engine.Not Detected
  • VPNThis IP belongs to a VPN service.Not Detected
  • Cloud ProviderThis IP belongs to a cloud or hosting provider's data center.Not Detected
  • Corporate GatewayA shared egress gateway used by a company's network.Not Detected
  • RelayThis IP is a relay exit, such as iCloud Private Relay.Not Detected

No anonymity signals

This IP is not flagged as an attacker, spam source, Tor exit, VPN, proxy, relay, bot, cloud provider or corporate gateway.

Abuse contact

Optisprint IT Department

abuse@optisprint.net

Powered byIP Abuse Contact API

Name
Optisprint IT Department
Organization
—
Network
78.128.52.0/22
Country
BG
Kind
group
Address
Doyran 158 Pleven
Emails
abuse@optisprint.net
Phone numbers
+359 64 970 102

Autonomous system

AS58079

Skynet Ltd

Powered byIP to ASN Database

ASN
AS58079
Country
BG
Domain
skynet.net
Regional registry
RIPE
Organization
Skynet Ltd
Type
Business
Allocated on
2012-04-18

Organization

Skynet Ltd

AS58079 skynet.net Business BG

Associated company

Optisprint OOD

ISP · sprint-bg.net

Powered byIP to Company Database

Name
Optisprint OOD
Type
Internet service provider (ISP)
Domain
sprint-bg.net

Network route

78.128.57.0/24

Powered byIP Geolocation API

Hostname
78.128.57.120
Route
78.128.57.0/24
Connection type
—
Anycast
No
CDN
No
CDN provider
—

Time zone

Europe/Sofia

2026-10-27 18:25

Powered byTime Zone API

Offset from UTC
2.0
Standard time zone
Eastern European Standard Time
Standard abbreviation
EET
Daylight saving time
Yes
DST savings (hours)
0
Observing DST now
No
Pleven

Europe/Sofia

UTC2.0

User agent string

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

Powered byUser Agent API

  • BrowserClaudeBotver. 1.0
  • EngineClaudeBotver. 1.0
  • Operating systemCloud
  • DeviceRobotAnthropic ClaudeBot
  • ArchitectureUnknown
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Response 
{
  "ip" : "78.128.57.120",
  "hostname" : "78.128.57.120",
  "location" : {
    "district" : "Pleven",
    "city" : "Pleven",
    "locality" : "Pleven",
    "zipcode" : "5800",
    "latitude" : "43.41323",
    "longitude" : "24.61870",
    "continent_code" : "EU",
    "continent_name" : "Europe",
    "country_code2" : "BG",
    "country_code3" : "BGR",
    "country_name" : "Bulgaria",
    "country_name_official" : "Republic of Bulgaria",
    "country_capital" : "Sofia",
    "state_prov" : "Oblast Pleven",
    "state_code" : "",
    "accuracy_radius" : "27.371",
    "confidence" : "low",
    "dma_code" : "",
    "is_eu" : true,
    "country_flag" : "https://ipgeolocation.io/static/flags/bg_64.png",
    "geoname_id" : "12719047",
    "country_emoji" : "🇧🇬"
  },
  "country_metadata" : {
    "tld" : ".bg",
    "languages" : [ "bg", "tr-BG", "rom" ],
    "calling_code" : "+359"
  },
  "network" : {
    "route" : "78.128.57.0/24",
    "connection_type" : "",
    "is_anycast" : false,
    "is_cdn" : false,
    "cdn_provider_name" : ""
  },
  "currency" : {
    "code" : "BGN",
    "name" : "Bulgarian Lev",
    "symbol" : "лв"
  },
  "asn" : {
    "organization" : "Skynet Ltd",
    "country" : "BG",
    "type" : "BUSINESS",
    "domain" : "skynet.net",
    "rir" : "RIPE",
    "as_number" : "AS58079",
    "date_allocated" : "2012-04-18"
  },
  "company" : {
    "name" : "Optisprint OOD",
    "type" : "ISP",
    "domain" : "sprint-bg.net"
  },
  "security" : {
    "threat_score" : 0,
    "is_tor" : false,
    "is_proxy" : false,
    "proxy_provider_names" : [ ],
    "proxy_confidence_score" : 0,
    "proxy_last_seen" : "",
    "is_residential_proxy" : false,
    "is_vpn" : false,
    "vpn_provider_names" : [ ],
    "vpn_confidence_score" : 0,
    "vpn_last_seen" : "",
    "is_relay" : false,
    "relay_provider_name" : "",
    "is_anonymous" : false,
    "is_known_attacker" : false,
    "is_bot" : false,
    "bot_confidence_score" : 0,
    "bot_operator_name" : "",
    "bot_type" : "",
    "is_known_good_bot" : false,
    "bot_last_seen" : "",
    "is_spam" : false,
    "is_cloud_provider" : false,
    "cloud_provider_name" : "",
    "is_corporate_gateway" : false,
    "corporate_gateway_type" : "",
    "corporate_gateway_provider_name" : ""
  },
  "abuse" : {
    "route" : "78.128.52.0/22",
    "country" : "BG",
    "name" : "Optisprint IT Department",
    "organization" : "",
    "kind" : "group",
    "address" : "Doyran 158 Pleven",
    "emails" : [ "abuse@optisprint.net" ],
    "phone_numbers" : [ "+35964970102" ]
  },
  "time_zone" : {
    "name" : "Europe/Sofia",
    "offset" : 2.0,
    "offset_with_dst" : 2.0,
    "current_time" : "2026-10-27 18:25:36.342+0200",
    "current_time_unix" : 1.793118336342E9,
    "current_tz_abbreviation" : "EET",
    "current_tz_full_name" : "Eastern European Standard Time",
    "standard_tz_abbreviation" : "EET",
    "standard_tz_full_name" : "Eastern European Standard Time",
    "is_dst" : false,
    "dst_savings" : 0,
    "dst_exists" : true,
    "dst_tz_abbreviation" : "EEST",
    "dst_tz_full_name" : "Eastern European Summer Time",
    "dst_start" : {
      "utc_time" : "2026-03-29 TIME 01:00",
      "duration" : "+1.00H",
      "gap" : true,
      "date_time_after" : "2026-03-29 TIME 04:00",
      "date_time_before" : "2026-03-29 TIME 03:00",
      "overlap" : false
    },
    "dst_end" : {
      "utc_time" : "2026-10-25 TIME 01:00",
      "duration" : "-1.00H",
      "gap" : false,
      "date_time_after" : "2026-10-25 TIME 03:00",
      "date_time_before" : "2026-10-25 TIME 04:00",
      "overlap" : true
    }
  },
  "user_agent" : {
    "user_agent_string" : "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
    "name" : "ClaudeBot",
    "type" : "Robot",
    "version" : "1.0",
    "version_major" : "1",
    "device" : {
      "name" : "Anthropic ClaudeBot",
      "type" : "Robot",
      "brand" : "Anthropic",
      "cpu" : "Unknown"
    },
    "engine" : {
      "name" : "ClaudeBot",
      "type" : "Robot",
      "version" : "1.0",
      "version_major" : "1"
    },
    "operating_system" : {
      "name" : "Cloud",
      "type" : "Cloud",
      "version" : "??",
      "build" : "??",
      "version_major" : "??"
    }
  }
}

Evaluation Checklist

Behind the address

What the data tells you about 78.128.57.120.

Who operates 78.128.57.120?

Skynet Ltd operates AS58079, the autonomous system announcing this address. The associated company is Optisprint OOD; the reported network is 78.128.57.0/24.

View ASN API

Why can its location change?

IP location comes from routing, registry and measurement data. It can shift when Skynet Ltd reassigns the block, so treat Pleven as an estimate, not a fixed point.

View IP Location API

How do I report abuse?

The listed abuse contact is Optisprint IT Department. Include the source IP, timestamps with a timezone, and relevant logs so the contact can investigate.

View Abuse Contact API

For developers

The same data. One API request.

Add IP location, network, and security data to your application.

cURL 
curl --get 'https://api.ipgeolocation.io/v3/ipgeo' \
  --data-urlencode 'apiKey=YOUR_API_KEY' \
  --data-urlencode 'ip=78.128.57.120' \
  --data-urlencode 'include=*'
Response 
{ "ip": "78.128.57.120" }

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Frequently Asked Questions

The latest lookup maps 78.128.57.120 to Pleven, Oblast Pleven, Bulgaria. Geolocation is approximate and should be treated as city/region level guidance.
This page currently shows ASN AS58079 and company Optisprint OOD. ASN and company attribution can change as routing and ownership records are updated.
The reported connection type for 78.128.57.120 is not published. This value helps with traffic analytics, abuse prevention, and policy routing decisions.
The current timezone record for 78.128.57.120 is Europe/Sofia. Teams commonly use this signal to localize timestamps, notifications, and fraud models.
IP intelligence is dynamic. Routing, ASN ownership, company names, and security posture can change over time, so this page should be treated as a point-in-time lookup for 78.128.57.120.
Use the JSON response on this page for testing, then move to production API workflows with structured fields for geolocation, network, ASN, security, abuse, and timezone data. Read documentation.