- Registered on
- 21 Apr 1994 (32 years old)
- Registered to
- ARIN-ISC-94-Z (arin)
- Network status
- Active, Allocated under ARIN
- Network type
- Content
- Prefixes Originated
- 2 IPv4, 2 IPv6
Upstreams
Locations of Operation
| Prefix | Description | |
|---|---|---|
|
|
192.5.4.0/23 | Internet Systems Consortium, Inc. |
|
|
192.5.5.0/24 | Internet Systems Consortium, Inc. |
|
|
2001:500:2e::/47 | Internet Systems Consortium, Inc. |
|
|
2001:500:2f::/48 | Internet Systems Consortium, Inc. |
Network Policy
Click here to learn more about what this graph means and what makes up a network policy
Chart Display Options
Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS30132 | ISC F-ROOT AMS1 | ✔ | ✔ | |
| AS13335 | Cloudflare, Inc. | ✔ | ✔ | |
| AS1280 | Internet Systems Consortium, Inc. | ✔ | ✔ | |
| AS33071 | ISC F-ROOT ORD1 | ✔ | ✔ | |
| AS33082 | ISC F-ROOT FRA1 | ✔ | ✔ | |
| AS33081 | ISC F-ROOT LCY2 | ✔ | ✔ | |
| AS215233 | Internet Systems Consortium Inc. | ✔ | ✘ | |
| AS33078 | ISC F-ROOT ORD2 | ✘ | ✔ | |
| AS45220 | ISC F-ROOT KUL1 | ✘ | ✔ | |
| AS33080 | ISC F-ROOT ATL1 | ✘ | ✔ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS13335 | Cloudflare, Inc. | ✔ | ✔ | |
| AS30132 | ISC F-ROOT AMS1 | ✔ | ✔ | |
| AS1280 | Internet Systems Consortium, Inc. | ✔ | ✔ | |
| AS33071 | ISC F-ROOT ORD1 | ✔ | ✔ | |
| AS394070 | ISC F-ROOT LGA1 | ✔ | ✔ | |
| AS33082 | ISC F-ROOT FRA1 | ✔ | ✔ | |
| AS215233 | Internet Systems Consortium Inc. | ✔ | ✔ | |
| AS30122 | ISC F-ROOT GRU1 | ✔ | ✔ | |
| AS27321 | ISC F-ROOT OAK1 | ✔ | ✔ | |
| AS33073 | ISC F-ROOT LCY1 | ✔ | ✔ | |
| AS33081 | ISC F-ROOT LCY2 | ✔ | ✔ | |
| AS23712 | ISC F-ROOT TPE1 | ✔ | ✔ | |
| AS201969 | ISC F-ROOT LUX1 | ✔ | ✔ | |
| AS53518 | Internet Systems Consortium, Inc. | ✔ | ✔ | |
| AS24047 | ISC F-ROOT KIX1 | ✔ | ✔ | |
| AS27913 | ISC F-ROOT FOR1 | ✔ | ✔ | |
| AS211834 | ISC F-ROOT BER1 | ✔ | ✔ | |
| AS30124 | ISC F-ROOT SVO1 | ✔ | ✔ | |
| AS27318 | ISC F-ROOT LAX1 | ✔ | ✘ | |
| AS27322 | ISC F-ROOT JNB1 | ✔ | ✔ | |
| AS33077 | ISC F-ROOT TRN1 | ✔ | ✘ | |
| AS30129 | ISC F-ROOT LIS1 | ✔ | ✔ | |
| AS23713 | ISC F-ROOT SEL1 | ✔ | ✘ | |
| AS24048 | ISC F-ROOT CGK1 | ✔ | ✘ | |
| AS61447 | ISC F-ROOT MVD1 | ✔ | ✔ | |
| AS23709 | ISC F-ROOT HKG1 | ✔ | ✔ | |
| AS328995 | ST DIGITAL | ✔ | ✔ | |
| AS33078 | ISC F-ROOT ORD2 | ✘ | ✔ | |
| AS205488 | ISC F-ROOT BBU1 | ✔ | ✘ | |
| AS33080 | ISC F-ROOT ATL1 | ✘ | ✔ | |
| AS211022 | Internet Systems Consortium Inc. | ✔ | ✘ | |
| AS45220 | ISC F-ROOT KUL1 | ✘ | ✔ |
ASHandle: AS3557 OrgID: ISC-94-Z ASName: ISC-AS ASNumber: 3557 RegDate: 1994-04-21 Updated: 2012-04-02 Source: ARIN OrgID: ISC-94-Z OrgName: Internet Systems Consortium, Inc. CanAllocate: Street: PO Box 360 City: Newmarket State/Prov: NH Country: US PostalCode: 03857 RegDate: 2007-11-08 Updated: 2024-01-03 OrgAdminHandle: JSO127-ARIN OrgTechHandle: BELLI82-ARIN OrgTechHandle: ISCN-ARIN OrgTechHandle: JSO127-ARIN OrgTechHandle: RA15-ARIN OrgAbuseHandle: ISCAT-ARIN OrgNOCHandle: ISCN-ARIN Source: ARIN OrgAdminHandle: JSO127-ARIN OrgAdminName: Jeffrey Osborn # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: BELLI82-ARIN OrgTechName: Ray Bellis # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: ISCN-ARIN OrgTechName: Internet Systems Consortium NOC # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: JSO127-ARIN OrgTechName: Jeffrey Osborn # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: RA15-ARIN OrgTechName: Rick Adams # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: ISCAT-ARIN OrgAbuseName: Internet Systems Consortium Abuse Team # Email removed, Log into bgp.tools to see whois emails OrgNOCHandle: ISCN-ARIN OrgNOCName: Internet Systems Consortium NOC # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-06-14T03:27:55Z UTC