This prefix is not visible in the DFZ right now
You shouldnt be able to see this, But here lies a quick hack to make the super LG work
- Registered on
- 21 Sep 2021 (4 years old)
- Registered to
- ARIN-ZSCAL (arin)
- [Transfer History]
- Prefix status
- Active, Allocated under ARIN
- Size of prefix
- 1 /24's
Less Specific Announcements
| Prefix | Description | |
|---|---|---|
 | 209.55.128.0/18 | ZSCALER, INC. |
Chart Display Options
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | |
|---|---|---|
 | AS3320 | Deutsche Telekom AG |
| AS3257 | GTT Communications Inc. |
 | AS1299 | Arelion (fka. Telia Carrier) |
Peers
| ASN | Description | |
|---|---|---|
| AS60345 | icixs networks GmbH |
| AS16097 | HL komm Telekommunikations GmbH |
 | AS21013 | eww ag |
 | AS57463 | NetIX Communications JSC |
| AS203536 | FNOH DSL Suedheide GmbH |
 | AS153725 | Tenonet (Hangzhou) Co Ltd |
| AS64475 | Freifunk Frankfurt am Main e.V. |
 | AS15830 | Equinix, Inc. |
 | AS56665 | Proximus Luxembourg S.A. |
| AS211083 | ServerGurus UG |
 | AS250 | AS250.net Foundation |
| AS8767 | M-net Telekommunikations GmbH |
| AS12941 | intersaar GmbH |
 | AS56382 | vServer.site LTD |
| AS30766 | GGEW net GmbH |
| AS8881 | 1&1 Versatel GmbH |
| AS207439 | Korves.Net USA LLC |
| AS206499 | LOCIX LIMITED |
 | AS1680 | Cellcom Fixed Line Communication L.P |
 | AS57152 | TEKNET VERI MERKEZI HIZMETLERI A.S. |
| AS21473 | PFALZKOM GmbH |
| AS196610 | DE-CIX Academy |
| AS57344 | Telehouse EAD |
| AS48927 | ESEVEN DevOps GmbH |
 | AS47605 | FNE-Finland Oy |
| AS47228 | DE-CIX Munich Route Servers |
| AS201709 | HanDS Hanse Datacenter Services GmbH |
| AS39351 | 31173 Services AB |
| AS200462 | Lennart Seitz trading as "ETH-Services" |
 | AS24482 | SG.GS |
| AS42184 | TKRZ Stadtwerke GmbH |
 | AS8298 | IPng Networks GmbH |
| AS3214 | xTom GmbH |
 | AS35625 | Eurofiber France SAS |
| AS58299 | Openfactory GmbH |
| AS34549 | meerfarbig GmbH & Co. KG |
| AS25091 | IP-Max SA |
| AS20562 | Open Peering (Broadband Hosting B.V.) |
| AS33891 | Core-Backbone GmbH |
| AS34927 | iFog GmbH |
 | AS137409 | GSL Networks Pty LTD |
| AS5405 | Inter.link GmbH |
| AS3320 | Deutsche Telekom AG |
| AS6939 | Hurricane Electric LLC |
| AS3257 | GTT Communications Inc. |
| AS1299 | Arelion (fka. Telia Carrier) |
NetHandle: NET-209-55-128-0-1OrgID: ZSCALParent: NET-209-0-0-0-0NetName: ZSCALNetRange: 209.55.128.0 - 209.55.223.255NetType: allocationRegDate: 2021-09-21Updated: 2021-09-21Source: ARINOrgID: ZSCALOrgName: ZSCALER, INC.CanAllocate: Street: 120 Holger WayCity: San JoseState/Prov: CACountry: USPostalCode: 95134Comment: Zscaler customer traffic originates from colocation facilities around the world. You should *NOT* use the address or contact information here for the purposes of geolocation. Additionally, because traffic egressing our network may belong to any one of our customers, you should not assume that this traffic belongs to us.Comment: For network or security incidents, please reach out to our abuse POC, which is actually monitored and actioned.RegDate: 2011-03-18Updated: 2025-11-06OrgAdminHandle:CHANG452-ARINOrgTechHandle:MMT31-ARINOrgTechHandle:POCTE3-ARINOrgAbuseHandle:POCAB2-ARINOrgNOCHandle:POCNO1-ARINSource: ARINOrgAdminHandle:CHANG452-ARINOrgAdminName: Yulin Chang# Email removed, Log into bgp.tools to see whois emailsOrgTechHandle:MMT31-ARINOrgTechName: Michael Teng# Email removed, Log into bgp.tools to see whois emailsOrgTechHandle:POCTE3-ARINOrgTechName: poc-tech# Email removed, Log into bgp.tools to see whois emailsOrgAbuseHandle:POCAB2-ARINOrgAbuseName: poc-abuse# Email removed, Log into bgp.tools to see whois emailsOrgNOCHandle:POCNO1-ARINOrgNOCName: poc-noc# Email removed, Log into bgp.tools to see whois emailsLast Update: 2025-11-26T03:33:36Z UTC
IRR Databases
| IRR | Expected ASN | |
|---|---|---|
| radb | AS62044 |  Show Rawroute: 209.55.168.0/24descr: Zscaler MUC1origin:AS62044mnt-by: MAINT-AS53444changed: mteng@zscaler.com 20240223source: RADBlast-modified: 2024-02-23T17:23:15Z |