204.237.163.255
- No reverse DNS
- Not on blocklists
- Network
- RHYTHMIC-GTT
- Held by
- Rhythmic Technologies
- Range
- 204.237.163.0 - 204.237.163.255
- CIDR
- 204.237.163.0/24
- Type
- ASSIGNMENT
- Registered on
- Last updated
- Status
- active
Contacts
Holder
Rhythmic Technologies C05923139
555 Grove Street
suite 106
Herndon
VA
20170
United StatesTechnical
GTT IPAM Team GIT5-ARIN
4201 Wilson Blvd.
Suite 504 North Tower
Arlington
VA
22203
United Statesnetguard@gtt.net
+1-703-442-5500
Abuse
GTT Abuse Department GAD46-ARIN
4201 Wilson Blvd.
Suite 504 North Tower
Arlington
VA
22203
United Statesabuse@gtt.net
+1-703-442-5500
+1-703-442-5501Administrative and technical
AS3257 Netguard AS3251-ARIN
Frankfurter Strasse 227
Neu-Isenburg
63263
Germanynetguard@gtt.net
+49 69 48007422
Technical and network operations
GTT Network Operations Center GNOC16-ARIN
4201 Wilson Blvd.
Suite 504 North Tower
Arlington
VA
22203
United Statesnoc@gtt.net
+1-703-442-5500
Reverse DNS
- Names
- None
Network
- Announced by
- AS3257 GTT Communications Inc.
- Route
- 204.237.128.0/17, carried by 3,165 of bgp.tools' BGP feeds
- Kind
- T1
- Country
- US
- Tagged
- Anycast, Business Broadband, Internet Critical Infra, Validating RPKI ROV
Upstreams and peers
- AS1299 Arelion (fka. Telia Carrier)144,070 paths
- AS12586 GHOSTnet GmbH111,832 paths
- AS3356 Lumen (Level 3)98,733 paths
- AS9002 RETN Limited83,515 paths
- AS174 Cogent Communications, LLC82,779 paths
- AS2914 NTT America, Inc.69,195 paths
- AS6762 Telecom Italia Sparkle (Seabone)67,190 paths
- AS3320 Deutsche Telekom AG48,618 paths
- AS3491 PCCW Global (HK) Ltd.48,044 paths
- AS1103 SURF B.V.46,071 paths
- AS51088 A2B IP B.V.42,044 paths
- AS12956 Telxius (Telefonica Global)38,115 paths
And 94 more
Downstreams
- AS3356 Lumen (Level 3)113,219 paths
- AS174 Cogent Communications, LLC57,500 paths
- AS1299 Arelion (fka. Telia Carrier)44,656 paths
- AS6453 TATA Communications (America) Inc37,870 paths
- AS34984 Superonline Iletisim Hizmetleri A.S.34,698 paths
- AS20473 The Constant Company, LLC30,356 paths
- AS37468 Angola Cables27,961 paths
- AS7474 SingTel Optus Pty Ltd27,005 paths
- AS15830 Equinix, Inc.26,944 paths
- AS22773 Cox Communications Inc.25,092 paths
- AS6762 Telecom Italia Sparkle (Seabone)25,020 paths
- AS55410 Vodafone Idea Ltd24,619 paths
And 1,836 more
From RIPEstat
Routes AS3257 announces
1,886 IPv4 prefixes covering 8,602,368 addresses, and 70 IPv6 prefixes
IPv4
- 67.100.0.0/14
- 68.164.0.0/14
- 87.84.0.0/14
- 217.204.0.0/14
- 64.204.0.0/15
- 64.248.0.0/15
- 65.84.0.0/15
- 66.92.0.0/15
- 66.166.0.0/15
- 72.244.0.0/15
- 74.0.0.0/15
- 82.108.0.0/15
- 87.82.0.0/15
- 87.84.0.0/15
- 212.134.0.0/15
- 64.51.0.0/16
- 64.81.0.0/16
- 64.105.0.0/16
- 64.144.0.0/16
- 65.86.0.0/16
- 66.80.0.0/16
- 66.95.0.0/16
- 66.134.0.0/16
- 66.200.0.0/16
- 69.3.0.0/16
- 69.33.0.0/16
- 74.2.0.0/16
- 81.188.0.0/16
- 82.110.0.0/16
- 82.111.0.0/16
- 84.37.0.0/16
- 85.189.0.0/16
- 86.53.0.0/16
- 87.86.0.0/16
- 87.87.0.0/16
- 134.222.0.0/16
- 135.196.0.0/16
- 149.235.0.0/16
- 154.14.0.0/16
- 155.229.0.0/16
- 194.231.0.0/16
- 195.40.0.0/16
- 195.81.0.0/16
- 195.86.0.0/16
- 195.143.0.0/16
- 195.172.0.0/16
- 205.179.0.0/16
- 206.135.0.0/16
- 207.145.0.0/16
- 207.168.0.0/16
And 1,836 more
IPv6
- 2001:668::/29
- 2a04:6640::/29
- 2a05:18c0::/29
- 2a0a:1f40::/29
- 2a13:fc00::/29
- 2a14:4340::/29
- 2a14:4b00::/29
- 2a14:5200::/29
- 2a04:1120::/30
- 2a0c:8640::/30
- 2001:590::/32
- 2001:668::/32
- 2001:680::/32
- 2001:6f8::/32
- 2001:aa0::/32
- 2001:1478::/32
- 2001:4890::/32
- 2400:f780::/32
- 2405:5e00::/32
- 2604:cf80::/32
- 2605:d480::/32
- 2606:6200::/32
- 2607:f588::/32
- 2610:38::/32
- 2a00:16c8::/32
- 2a00:1750::/32
- 2a00:43c0::/32
- 2a00:80c0::/32
- 2a00:8d00::/32
- 2a00:bb40::/32
- 2a02:9e8::/32
- 2a02:d28::/32
- 2a02:6280::/32
- 2a04:a3c7::/32
- 2a06:2b81::/32
- 2a06:9f47::/32
- 2a0a:6041::/32
- 2a0d:d901::/32
- 2a0f:b242::/32
- 2a0f:b243::/32
- 2a0f:b247::/32
- 2a14:d281::/32
- 2001:aa0:7000::/36
- 2001:590:3400::/38
- 2001:6f8:200::/39
- 2001:6f8:1800::/39
- 2602:ffb7:590::/46
- 2001:668:126::/48
- 2001:668:130::/48
- 2001:67c:1514::/48
And 20 more
From bgp.tools
Peering
- Name
- GTT Communications (AS3257)
- Type
- NSP
- Peering policy
- Restrictive
- Traffic
- 100+Tbps
- Traffic ratio
- Balanced
- Scope
- Global
- AS-SET
- RIPE::AS-GTT
- Website
- http://www.gtt.net
Internet exchanges
| Exchange | Speed | Route servers |
|---|---|---|
| DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN | 100 Gbit/s | No |
| LINX LON1: Main | 10 Gbit/s | No |
Facilities
- Equinix DX1 - Dubai, Dubai, AE
- Digital Realty VIE1/2 - Vienna, Vienna, AT
- EXA Edge DC Wien, Vienna, AT
- NTT Vienna1 Data Center (VIE1), Vienna, AT
- Vienna University Computer Center (Wien), Vienna, AT
- Equinix ME1/ME2 - Melbourne, Melbourne, AU
- Equinix SY1/SY2 - Sydney, Sydney, AU
- LCL Brussels West, Aalst, BE
- LCL Antwerp, Antwerp, BE
- Digital Realty BRU1 - Brussels, Brussels, BE
- LCL Brussels (Diegem), Brussels, BE
- DCstar Datacenter Oostkamp DCO, Oostkamp, BE
- EXA Edge DC Zaventem, Zaventem, BE
- Equinix SO1 - Sofia, Sofia, BG
- S3 Company Ltd., Sofia, BG
- Sofia Data Center (SDC), Sofia, BG
- TELEPOINT Sofia Centre, Sofia, BG
- Equinix SP2 - São Paulo, Barueri, BR
- Equinix SP3 - São Paulo, Santana de Parnaiba, BR
- Equinix SP1 - São Paulo, São Paulo, BR
- Datahive, Calgary, CA
- EXA Edge DC Halifax, Halifax, CA
- EXA Edge DC Halifax Landingstation, Halifax, CA
- Fibre Centre, Moncton, CA
- Cologix MTL1, Montreal, CA
- Cologix MTL2, Montreal, CA
- Cologix MTL3, Montreal, CA
- Leaseweb MTL-01, Montreal, CA
- eStruxture MTL-4, Montreal, CA
- Cologix TOR1, Toronto, CA
- EXA Datacenter Toronto, Toronto, CA
- Equinix TR1 - Toronto, Toronto, CA
- Equinix TR2 - Toronto, Toronto, CA
- Telehouse Toronto (151 Front St West), Toronto, CA
- Cologix VAN1, Vancouver, CA
- Harbour Centre Vancouver, Vancouver, CA
- Digital Realty Zurich ZUR1, Glattbrugg, CH
- nLighten Geneva GVA1, Meyrin, CH
- Equinix ZH2 - Zurich, Zurich, CH
- CE Colo Prague, Prague, CZ
- CarrierColo Berlin Luetzow (I/P/B/ site B), Berlin, DE
- Speedbone Berlin, Berlin, DE
- Digital Realty Dusseldorf DUS1-3, Düsseldorf, DE
- ITENOS Düsseldorf (DUS1), Düsseldorf, DE
- WIIT Datacenter DUS1, DUS2, DUS3, DUS4, DUS6, DUS7, Düsseldorf, DE
- Digital Realty Frankfurt FRA1-27, Frankfurt, DE
- Digital Realty Frankfurt FRA28 (Closed), Frankfurt, DE
- EXA Edge DC Frankfurt1, Frankfurt, DE
- Equinix FR5 - Frankfurt, KleyerStrasse, Frankfurt, DE
- Equinix FR7 - Frankfurt, Gutleutstrasse, Frankfurt, DE
And 225 more
From PeeringDB
Location
- Location
- United States
- Accuracy
- Within 1,000 km
Location from GeoLite2 data created by MaxMind
Blocklists
- Spamhaus ZEN Not listed
- SpamCop Not listed
- Mailspike Not listed
- PSBL Not listed