ASN lookup result for AS81 MCNC — network size, BGP routing and registration
IPv4 addresses
1,995,520
132 announced prefixes
IPv6 addresses
1.34 × 10³⁰
4 announced prefixes
BGP neighbours
…
CAIDA rank
#969
Customer cone 40 ASNs
Estimated users
41.3K
APNIC Labs estimate
RPKI
78% valid
0 invalid · 30 not covered
Average purity
92
4 sampled IPs
IXPs / facilities
0 / 0
Operator self-reported
History
How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.
Loading routing history…
IP ranges
Currently announced prefixes with their RIR registration and geolocation.
| Prefix | RPKI | Registration | Geolocation | Addresses |
|---|---|---|---|---|
| 204.84.0.0/15 | Valid | — |  Kannapolis | 131,072 |
| 128.109.0.0/16 | Valid | — | Morganton | 65,536 |
| 152.4.0.0/16 | Not found | — | Raleigh | 65,536 |
| 152.6.0.0/16 | Not found | — | Fayetteville | 65,536 |
| 152.8.0.0/16 | Not found | — | Greensboro | 65,536 |
| 152.9.0.0/16 | Not found | — | Durham | 65,536 |
| 152.10.0.0/16 | Not found | — | Boone | 65,536 |
| 152.11.0.0/16 | Not found | — | Winston-Salem | 65,536 |
| 152.12.0.0/16 | Not found | — | Kernersville | 65,536 |
| 152.18.0.0/16 | Not found | — | Asheville | 65,536 |
| 152.20.0.0/16 | Not found | — | Wilmington | 65,536 |
| 152.21.0.0/16 | Not found | — | Pembroke | 65,536 |
| 152.22.0.0/16 | Valid | — | Winston-Salem | 65,536 |
| 152.26.0.0/16 | Valid | — | Edenton | 65,536 |
| 152.27.0.0/16 | Valid | — | Mooresville | 65,536 |
| 152.28.0.0/16 | Valid | — | Pinehurst | 65,536 |
| 152.29.0.0/16 | Valid | — | United States | 65,536 |
| 152.30.0.0/16 | Valid | — | Cullowhee | 65,536 |
| 152.40.0.0/16 | Valid | — | Greensboro | 65,536 |
| 152.45.0.0/16 | Valid | — | United States | 65,536 |
/24 block profile
One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.
/24s with data 5 / 7,795 （<1%） · flagged 1
Hover a square for its numbers; click to see all 256 addresses.
Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.
IP reputation
IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.
Purity distribution
<0.01%
Share of IPv4 reported or blocklisted
58
Listed IPs
4
Analysed IPs
Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.
Geography
Where this network’s IPv4 addresses are located.
- United States100.0%
- Scope
- Single country
- In registered country
- 100.0%
Estimated by sampling IPv4 ranges against a geolocation database.
Traffic observation
AS81 · Last 7 daysAdoption & Usage
Adoption and usage of key protocols
Security & Attacks
Insights into network and application layer attack traffic
BGP Announcements
Hourly BGP route announcements over the last 7 days
Data: Cloudflare Radar, licensed under CC BY-NC 4.0
Activity
Hourly traffic over the last 7 days, normalized to this network’s peak.
A pronounced day/night rhythm, typical of networks with human users.
| 00 | 06 | 12 | 18 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | ||||||||||||||||||||||||
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| Sat | ||||||||||||||||||||||||
| Sun |
- Peak hour
- 14:00–15:00
- Active hours
- 7 hrs
- Weekend vs weekday
- Weekdays heavier
- Busiest day
- Wed
Datacenter Presence
WHOIS record
The registry’s record for this AS number: holder, status, dates and contacts.
Related networks
Other ASNs registered in the same country with the same network type.
- AS7922Comcast Cable Communications, LLCISP
- AS7018AT&T Enterprises, LLCISP
- AS2914NTT America, Inc.ISP
- AS701Verizon BusinessISP
- AS174Cogent Communications, LLCISP
- AS5650Verizon BusinessISP
- AS21928T-Mobile USA, Inc.ISP
- AS20115Charter Communications LLCISP
- AS14593Space Exploration Technologies CorporationISP
- AS22773Cox Communications Inc.ISP
Sources
Where the information on this page comes from and when it was updated.
| Information | Source | Updated |
|---|---|---|
| Registered country | RIR daily delegation statistics | 2026-10-23 |
| Registered address & allocation date | RIR registration data (RDAP) | 2026-07-08 |
| Organization & company country | AS-to-organization data | 2026-10-22 |
| Network type | CleanIP ASN canon | 2026-10-23 |
| Exchanges & facilities | Operator self-reported interconnection data | 2026-10-22 |
| Announced prefixes & BGP neighbours | Public BGP routing data | 2026-10-23 |
| IPv4 geography | Geolocation database | — |
| RPKI validation | RPKI ROA validation data | 2026-10-23 |
| Rank & customer cone | CAIDA AS Rank | 2026-10-01 |
| Estimated users (APNIC) | APNIC Labs user estimates | 2026-10-20 |
| Network tags | Public routing data community tags | 2026-10-23 |
| IP reputation | CleanIP lookups and neighbour sampling | — |
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