157.228.0.0
Education
Data retrieved at
Network
ASN
IP Range
Company
Jisc Services Limited
Registrant
JANET-HOSTMASTER
SUNDERLAND
Using networksdb.io for network lookups.
Hostname
no-reverse-defined.sunderland.ac.uk.0.228.157.in-addr.arpa
AS Domain
jisc.ac.uk
Using host.io for pre-visualize domains.
Type
Education
Handle
157.228.0.0 - 157.228.15.255
Registered
2026-09-04
Last Changed
2026-09-04
View raw RDAP
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"type": "LEGACY",
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"parentHandle": "0.0.0.0 - 255.255.255.255",
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"links": [
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{
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[
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{
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},
{
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"rel": "copyright",
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],
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{
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},
{
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"rel": "copyright",
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{
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],
[
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[
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[
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""
]
],
[
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{
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"text",
"[email protected]"
]
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],
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{
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{},
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[
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{},
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"individual"
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]
],
"roles": [
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],
"links": [
{
"value": "https://rdap.db.ripe.net/ip/157.228.0.0",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/JANET-HOSTMASTER"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
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],
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}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
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]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/ip/157.228.0.0",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/ips/rirSearch1/rdap-up/157.228.0.0%20-%20157.228.15.255",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/ip/157.228.0.0",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/ips/rirSearch1/rdap-up/157.228.0.0%20-%20157.228.15.255?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/ip/157.228.0.0",
"rel": "rdap-down",
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"type": "application/rdap+json"
},
{
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"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/ips/rirSearch1/rdap-top/157.228.0.0%20-%20157.228.15.255",
"type": "application/rdap+json"
},
{
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"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/ips/rirSearch1/rdap-top/157.228.0.0%20-%20157.228.15.255?status=active",
"type": "application/rdap+json"
},
{
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"rel": "rdap-bottom",
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"type": "application/rdap+json"
},
{
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"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
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}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2026-09-04T07:28:08Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-04T07:52:40Z"
}
],
"rdapConformance": [
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"rirSearch1",
"ips",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
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"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
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]
},
{
"title": "Source",
"description": [
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"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
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],
"links": [
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"type": "application/pdf"
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],
"port43": "whois.ripe.net",
"objectClassName": "ip network",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='DC17412-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
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},
"reason": {
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},
"prePath": "$.entities[?(@.handle=='GF10625-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
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{
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"method": "removal"
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{
"name": {
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"reason": {
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},
"prePath": "$.entities[?(@.handle=='ORG-UOS43-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ACRO1172-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
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]
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown.
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
157.228.0.0/20
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United Kingdom
City
Sunderland (📍 SR3)
England
Time Zone
Europe/London
Coordinates
54.8697, -1.4201
Continent
Europe
European Union
No.
Phone prefix
+44
Currency
British Pound (GBP £)