128.42.204.0/24

AS8 · Rice University

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Summary

Country	United States
Domain	rice.edu
ASN	AS8
Parent Range	128.42.0.0/16
Registry	ARIN
ID	RICENET

WHOIS Details

NetHandle:      NET-128-42-0-0-1
OrgID:          RICEUN
Parent:         NET-128-0-0-0-0
NetName:        RICENET
NetRange:       128.42.0.0 - 128.42.255.255
NetType:        allocation
RegDate:        1983-12-02
Updated:        2021-12-14
TechHandle:     RUH-ORG-ARIN
Source:         ARIN


OrgID:          RICEUN
OrgName:        Rice University
CanAllocate:    
Street:         Networking MS 119
Street:         6100 Main Street
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77005
RegDate:        1983-12-02
Updated:        2024-11-25
OrgAdminHandle: RUH-ORG-ARIN
OrgTechHandle:  HOCKE30-ARIN
OrgTechHandle:  RUH-ORG-ARIN
OrgAbuseHandle: RUH-ORG-ARIN
Source:         ARIN


POCHandle:      HOCKE30-ARIN
IsRole:         N
LastName:       Hockett
FirstName:      Matt
Street:         6100 Main St,
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77005
RegDate:        2018-03-08
Updated:        2025-07-17
OfficePhone:    +1-713-348-2280
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      RUH-ORG-ARIN
IsRole:         Y
LastName:       Rice University Networking
FirstName:      
Street:         6100 Main Street, MS119
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77005
RegDate:        1997-09-06
Updated:        2025-09-09
OfficePhone:    +1-713-348-5244
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 128.42.204.0/24

Range	ASN	Company	Num of IPs
128.42.0.0/16	AS8	Rice University	65,536

Nearby Ranges

BGP prefixes that overlap with 128.42.0.0/16

Range	ASN	Company	Num of IPs
128.42.0.0/16	AS8	Rice University	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

10 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
128.42.204.170	AS8 Rice University	`1.10ms` from Houston, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
155.117.8.168	AS59642 UAB Cherry Servers	`0.33ms` from Amsterdam, NL
120.133.24.56	AS4835 China Telecom (Group)	`2.95ms` from Beijing, CN
84.198.23.248	AS6848 Telenet BV	`5.18ms` from Brussels, BE
181.12.140.40	AS7303 Telecom Argentina S.A.	`0.82ms` from Buenos Aires, AR
23.248.193.104	AS138415 Yancy Limited	`0.66ms` from Hong Kong, HK
77.97.139.200	AS5089 Virgin Media Limited	`5.41ms` from London, GB
172.90.74.72	AS20001 Charter Communications Inc	`5.82ms` from Los Angeles, US
6.14.68.200	AS668 United States Department of Defense (DoD)	`1.73ms` from Los Angeles, US
101.188.34.120	AS1221 Telstra Limited	`1.61ms` from Melbourne, AU
212.193.156.232	AS34879 OOO "Sovremennye setevye tekhnologii"	`0.59ms` from Moscow, RU
13.233.213.184	AS16509 Amazon.com, Inc.	`0.11ms` from Mumbai, IN
185.249.97.152	AS42366 TerraTransit AG	`0.30ms` from Nuernberg, DE
68.109.173.8	AS22773 Cox Communications Inc.	`5.57ms` from Phoenix, US
189.190.166.248	AS8151 UNINET	`6.33ms` from Santiago de Queretaro, MX
61.106.5.136	AS10160 KDDI KOREA	`1.05ms` from Seoul, KR
1.240.49.8	AS9318 SK Broadband Co Ltd	`1.99ms` from Seoul, KR
188.166.206.88	AS14061 DigitalOcean, LLC	`0.10ms` from Singapore, SG
124.167.152.200	AS4837 CHINA UNICOM China169 Backbone	`7.07ms` from Taiyuan, CN
23.109.230.136	AS7979 Servers.com, Inc.	`0.25ms` from Amsterdam, NL
174.55.149.200	AS7922 Comcast Cable Communications, LLC	`18.00ms` from Ashburn, US
65.48.131.104	AS14813 Columbus Telecommunications (Barbados) Limited	`3.10ms` from Bridgetown, BB
82.10.239.152	AS5089 Virgin Media Limited	`10.95ms` from Dublin, IE
102.162.21.168	AS30999 EMTEL LIMITED	`15.51ms` from Ebene, MU
95.119.250.104	AS6805 Telefonica Germany GmbH & Co.OHG	`2.40ms` from Hamburg, DE
167.160.29.152	AS212238 Datacamp Limited	`0.08ms` from Johannesburg, ZA

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 128.42.204.102

traceroute to 128.42.204.102 (128.42.204.102): 64 hops max, 52 byte packets

1 [AS15169] 108.170.234.153 256.633 ms

2 *

3 [AS4557] 198.32.234.100 263.967 ms

4 [AS4557] 198.32.234.101 264.359 ms

5 [AS8] 128.42.179.26 264.289 ms

6 *

7 *

8 *

9 *

10 [AS8] 128.42.204.102 264.378 ms

Measurement taken from

IPinfo ProbeNet in Delhi, IN

On January 30th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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