AS101·
US— University of Washington
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WASH-NSF-AS · ARIN · US
Selected local snapshot coverage; not the whole Internet. BGP snapshots: ris-rrc00 11 Oct 08:00 UTC; routeviews2 11 Oct 08:00 UTC; routeviews6 11 Oct 08:00 UTC. Validator: 11 Oct 10:12 UTC. Publication-point issues: 89
Address space details
Overlapping originated prefixes counted once. IPv4 addresses: 4,096
IPv6 addresses: 79228162514264337593543950336
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Observed originated prefixes
These are observed BGP origins, not an inventory of registered allocations or transit reachability.
7 matching prefix–origin pairs. Each pair appears once; source observations are in Details.
| Prefix | RPKI | Last observed | Details |
|---|---|---|---|
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 2 source observations
| |
Valid | 11 Oct 08:00 UTC | 1 source observations
|
AS connectivity
21 unique neighbors in the selected local snapshots. This is the available collector dataset, not a complete map of the Internet. Adjacency does not establish upstream service or peering.
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Network list
Sources & methodology
Inferred topology and tier estimates do not establish commercial agreements. AS hops count AS relationships, not routers or observed traffic paths. Arrows run from provider to customer; peer links have no arrows. Cross-links connect other included networks. IPv4 relationships guide the All layout; IPv6 differences remain in connection details. Cyclic relationships are marked separately. Size uses the global, logarithmic IPv4 CAIDA customer cone including the AS itself; IPv6 size data is unavailable.
21 matching neighbors · 1–21 shown
| Network | IPv4/IPv6 | Seen in | Last observed | Details |
|---|---|---|---|---|
AS73 · US University of Washington | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS174 · US Cogent Communications, LLC | IPv4, IPv6 | ris-rrc00 | 11 Oct 08:00 UTC | Source observations
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AS2907 ·  JP SINET-AS Research Organization of Information and Systems, National Institute of Informatics | IPv6 | routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS3807 · US University of Montana | IPv6 | routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS4193 · US WA-STATE-GOV - State of Washington | IPv6 | routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS6939 · US Hurricane Electric LLC | IPv4, IPv6 | routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS7774 · US University of Alaska | IPv6 | ris-rrc00, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS10430 · US WA-K20 - Washington State K-20 Telecommunications Network | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS11164 · US INTERNET2-I2PX - Internet2 | IPv4, IPv6 | ris-rrc00, routeviews2 | 11 Oct 08:00 UTC | Source observations
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AS11537 · US INTERNET2-RESEARCH-EDU - Internet2 | IPv6 | routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS11548 · US HERITAGE-UNIV-AS - Heritage University | IPv4 | ris-rrc00, routeviews2 | 11 Oct 08:00 UTC | Source observations
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AS11956 · US NOAA-XWAVE - National Oceanic and Atmospheric Administration | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS13476 · US MSU-BOZEMAN - Montana State University | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS14221 · US UW-GR-AS - University of Washington | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS14954 · US FHCRC - The Fred Hutchinson Cancer Research Center | IPv4 | ris-rrc00, routeviews2 | 11 Oct 08:00 UTC | Source observations
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AS17200 · US SEATTLECOLL - Seattle Community College District | IPv4 | ris-rrc00, routeviews2 | 11 Oct 08:00 UTC | Source observations
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AS19014 · US NORCOM - NORCOM | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS39941 · US Pacific Wave | IPv4, IPv6 | ris-rrc00, routeviews2, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS40272 · US ALLENINSTITUTE - Allen Institute | IPv4 | ris-rrc00, routeviews2 | 11 Oct 08:00 UTC | Source observations
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AS54429 · US LOCAL-CONNECTIVITY-LAB - Local Connectivity Lab | IPv6 | ris-rrc00, routeviews6 | 11 Oct 08:00 UTC | Source observations
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AS59105 · JP HOMENOC Home NOC Operators Group | IPv6 | routeviews6 | 11 Oct 08:00 UTC | Source observations
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Peering & locations
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Registry information
ARIN · fetched 10 Oct 21:05 UTC
- Resource name
- WASH-NSF-AS
- Handle
- AS101
- RDAP country
- Not supplied
- ASN
- 101
Registered organizations
Last Changed: 02 Oct 2021 00:46 UTC
Registration: 31 Mar 1987 05:00 UTC
Registry contacts and maintainers
- UW-NOC-ARIN · technical
Allocation statistics
NRO/RIR delegated-extended records describe allocation or assignment ranges. They do not prove a BGP announcement or replace more-specific RDAP registration information. Country is the allocation record’s registration country, not the physical location of every address.
- AS101–AS101 · arin · assigned · ASN allocation country: US · Allocation date: 1987-03-31 — NRO/RIR data · snapshot 10 Oct 00:00 UTC
Prefix count history
Local observation changes
Only comparable successful snapshots are compared. First imports, changed peer coverage and collection gaps are baselines, not new global routes or withdrawals. RPKI transition history is not available before it has been recorded.
No retained changes are available for this resource.
Retained local prefix-count observations
Separate collector series. Missing rows are not zero. Peer-set changes are separate coverage, not a continuous trend.
| Source | Snapshot | Family | Prefixes | Peer coverage |
|---|---|---|---|---|
routeviews6 | 11 Oct 08:00 UTC | IPv6 | 4 | 2406:840:feed:2::1/IPv6 |
ris-rrc00 | 11 Oct 08:00 UTC | IPv4 | 3 | 2a00:5884::6/IPv6, 89.234.186.6/IPv4 |
ris-rrc00 | 11 Oct 08:00 UTC | IPv6 | 3 | 2a00:5884::6/IPv6, 89.234.186.6/IPv4 |
routeviews2 | 11 Oct 08:00 UTC | IPv4 | 3 | 140.192.8.16/IPv4 |
routeviews2 | 11 Oct 06:00 UTC | IPv4 | 3 | 140.192.8.16/IPv4 |
routeviews6 | 11 Oct 06:00 UTC | IPv6 | 4 | 2406:840:feed:2::1/IPv6 |
ris-rrc00 | 11 Oct 00:00 UTC | IPv4 | 3 | 2a00:5884::6/IPv6, 89.234.186.6/IPv4 |
ris-rrc00 | 11 Oct 00:00 UTC | IPv6 | 3 | 2a00:5884::6/IPv6, 89.234.186.6/IPv4 |