[ IP ]

18.1.27.21

#551,933Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #551,933(20 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen
PDNS hits (90 days): 20
Country: US
Snapshot: 1970-01-01

Network operated by Massachusetts Institute of Technology (MIT-2) (MIT).

List rank history

30 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.

Whois — 18.1.27.21

Netname: MIT
Organization: Massachusetts Institute of Technology (MIT-2)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 18.0.0.0 - 18.31.255.255
CIDR: 18.0.0.0/11
Network name: MIT
Net Handle: NET-18-0-0-0-1
Parent network: NET18 (NET-18-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 18.1.27.21 in passive DNS yet.

# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 18.0.0.0 - 18.31.255.255 CIDR: 18.0.0.0/11 NetName: MIT NetHandle: NET-18-0-0-0-1 Parent: NET18 (NET-18-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Massachusetts Institute of Technology (MIT-2) RegDate: 1994-01-01 Updated: 2025-12-02 Ref: https://rdap.arin.net/registry/ip/18.0.0.0 OrgName: Massachusetts Institute of Technology OrgId: MIT-2 Address: Room W92-167 Address: 77 Massachusetts Avenue City: Cambridge StateProv: MA PostalCode: 02139-4307 Country: US RegDate: Updated: 2026-07-30 Ref: https://rdap.arin.net/registry/entity/MIT-2 OrgTechHandle: BROWN2958-ARIN OrgTechName: Brown, Olu OrgTechPhone: +1-617-258-7870 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/BROWN2958-ARIN OrgNOCHandle: MNO78-ARIN OrgNOCName: MIT Network Operations OrgNOCPhone: +1-617-253-8400 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN OrgDNSHandle: MNO78-ARIN OrgDNSName: MIT Network Operations OrgDNSPhone: +1-617-253-8400 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/MNO78-ARIN OrgRoutingHandle: MNO78-ARIN OrgRoutingName: MIT Network Operations OrgRoutingPhone: +1-617-253-8400 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/MNO78-ARIN OrgTechHandle: GOMES41-ARIN OrgTechName: Gomes, Marco OrgTechPhone: +1-617-253-0336 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GOMES41-ARIN OrgAbuseHandle: MNS18-ARIN OrgAbuseName: MIT Network Security OrgAbusePhone: +1-617-324-1782 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN RAbuseHandle: MNS18-ARIN RAbuseName: MIT Network Security RAbusePhone: +1-617-324-1782 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN RNOCHandle: MNO78-ARIN RNOCName: MIT Network Operations RNOCPhone: +1-617-253-8400 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #