[ IP ]
128.31.0.21
#428,710Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #428,710(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Wed Jul 15 2026 16:00:13 GM
- Last seen
- Sat Aug 01 2026 21:02:44 GM
- PDNS hits (90 days)
- 2
- Country
- US
- Snapshot
- 1970-01-01
Network operated by Massachusetts Institute of Technology (MIT-2) (MIT-RES).
List rank history
2 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 128.31.0.21
- Netname
- MIT-RES
- Organization
- Massachusetts Institute of Technology (MIT-2)
- Country
- US
- ASN
- —
Full whois record
# # 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: 128.31.0.0 - 128.31.255.255 CIDR: 128.31.0.0/16 NetName: MIT-RES NetHandle: NET-128-31-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Massachusetts Institute of Technology (MIT-2) RegDate: 1983-05-27 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/128.31.0.0 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: 2026-07-09 Ref: https://rdap.arin.net/registry/entity/MIT-2 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: BROWN2958-ARIN OrgTechName: Brown, Olu OrgTechPhone: +1-617-258-7870 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/BROWN2958-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 OrgAbuseHandle: MNS18-ARIN OrgAbuseName: MIT Network Security OrgAbusePhone: +1-617-324-1782 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/MNS18-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 OrgTechHandle: GOMES41-ARIN OrgTechName: Gomes, Marco OrgTechPhone: +1-617-253-0336 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GOMES41-ARIN RTechHandle: CSAIL-ARIN RTechName: Computer Science and Artificial Intelligence Lab RTechPhone: +1-617-253-8304 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/CSAIL-ARIN RAbuseHandle: NETWO5753-ARIN RAbuseName: Network security RAbusePhone: +1-617-253-8304 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/NETWO5753-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. #
Open ports — 128.31.0.21
Port scan not run for 128.31.0.21 yet. Probes are queued from passive DNS IPs in the worker pipeline.