[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Nov 9 18:45:42 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Sat 09 Nov, 2024
IPv4 BGP Table (R&E) as seen at TENET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/TENET/
Analysis Summary
----------------
BGP routing table entries examined: 16312
Prefixes after maximum aggregation (per Origin AS): 8400
Deaggregation factor: 1.94
Unique aggregates announced (without unneeded subnets): 9565
Number of IPv4 prefixes with a valid ROA: 5756
Number of IPv4 prefixes with an invalid ROA: 4
Number of IPv4 prefixes with no ROA: 10552
Total ASes present in the Internet Routing Table: 2250
Prefixes per ASN: 7.25
Origin-only ASes present in the Internet Routing Table: 1964
Origin ASes announcing only one prefix: 818
Transit ASes present in the Internet Routing Table: 286
Transit-only ASes present in the Internet Routing Table: 53
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45822
Number of 32-bit ASNs visible in the Routing Table: 536
Prefixes from 32-bit ASNs in the Routing Table: 1547
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 158280960
Equivalent to 9 /8s, 111 /16s and 45 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 3.3
Percentage of available address space allocated: 128.7
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 6106
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4677
Total APNIC prefixes after maximum aggregation: 2294
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 474
Unique aggregates announced from the APNIC address blocks: 394
APNIC Region origin ASes present in the Internet Routing Table: 583
APNIC Prefixes per ASN: 0.81
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 232
Number of APNIC addresses announced to Internet: 7137536
Equivalent to 0 /8s, 108 /16s and 233 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks 43/8, 45/8, 146/8, 150/8, 160/8, 163/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 8317
Total ARIN prefixes after maximum aggregation: 4815
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 4423
Unique aggregates announced from the ARIN address blocks: 3165
ARIN Region origin ASes present in the Internet Routing Table: 1255
ARIN Prefixes per ASN: 3.52
ARIN Region origin ASes announcing only one prefix: 436
ARIN Region transit ASes present in the Internet Routing Table: 152
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 205
Number of ARIN addresses announced to Internet: 27887616
Equivalent to 1 /8s, 169 /16s and 136 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8,
199/8, 204/8, 205/8, 207/8, 208/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 887
Total RIPE prefixes after maximum aggregation: 617
RIPE Deaggregation factor: 1.44
Prefixes being announced from the RIPE address blocks: 142
Unique aggregates announced from the RIPE address blocks: 132
RIPE Region origin ASes present in the Internet Routing Table: 186
RIPE Prefixes per ASN: 0.76
RIPE Region origin ASes announcing only one prefix: 79
RIPE Region transit ASes present in the Internet Routing Table: 28
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 31
Number of RIPE addresses announced to Internet: 678912
Equivalent to 0 /8s, 10 /16s and 92 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 152/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1442
Total LACNIC prefixes after maximum aggregation: 537
LACNIC Deaggregation factor: 2.69
Prefixes being announced from the LACNIC address blocks: 249
Unique aggregates announced from the LACNIC address blocks: 194
LACNIC Region origin ASes present in the Internet Routing Table: 152
LACNIC Prefixes per ASN: 1.64
LACNIC Region origin ASes announcing only one prefix: 50
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 921088
Equivalent to 0 /8s, 14 /16s and 14 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 128/8, 216/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 988
Total AfriNIC prefixes after maximum aggregation: 136
AfriNIC Deaggregation factor: 7.26
Prefixes being announced from the AfriNIC address blocks: 79
Unique aggregates announced from the AfriNIC address blocks: 46
AfriNIC Region origin ASes present in the Internet Routing Table: 20
AfriNIC Prefixes per ASN: 3.95
AfriNIC Region origin ASes announcing only one prefix: 8
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 599296
Equivalent to 0 /8s, 9 /16s and 37 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 2170 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 18 18 NKN-CORE-NW NKN Core Network, IN
4538 130 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 70 37 11 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
270 117 328 81 AS270, US
293 110 33 14 ESNET, US
23024 95 7 21 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8895 133 24 5 ISU Internet Services Unit ISU, SA
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
3267 77 26 67 NIKS, RU
1653 53 150 50 SUNET SUNET Swedish University Network, E
1741 39 149 18 FUNETAS, FI
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
8674 16 2 11 NETNOD-IX Netnod AB, SE
1880 14 1 7 STUPI, SE
224 13 256 13 UNINETT UNINETT, The Norwegian University
1101 12 465 12 IP-EEND-AS IP-EEND BV, NL
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 216 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 47 16 2 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 449 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 15 16 1 MoRENet, MZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 0 5 RwEdNet-AS, RW
37520 3 16 3 Rhodes-Univ, ZA
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 590 2170 464 SINET-AS Research Organization of Informa
36914 449 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 379 319 71 TENET-1, ZA
1916 216 178 42 Rede Nacional de Ensino e Pesquisa, BR
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 449 446 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 379 308 TENET-1, ZA
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 216 174 Rede Nacional de Ensino e Pesquisa, BR
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
55824 131 113 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:1 /12:10
/13:17 /14:30 /15:87 /16:1472 /17:372 /18:408
/19:491 /20:738 /21:692 /22:1152 /23:1270 /24:9570
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN
5786 196 197 UPRENET, PR
28391 154 154 Universidad Juarez Autonoma de Tabasco, MX
58647 149 180 KAGAWAU-AS Kagawa University, JP
36914 127 449 KENET-AS, KE
55824 124 131 NKN-CORE-NW NKN Core Network, IN
2018 123 379 TENET-1, ZA
2920 123 175 LACOE, US
293 93 110 ESNET, US
1736 78 79 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 6:4 8:2 12:1 14:92
23:7 24:3 35:8 38:10 40:1 41:159
42:11 44:4 45:44 47:1 49:10 50:2
52:1 59:19 60:6 61:3 62:4 63:32
64:44 65:4 66:41 67:40 68:12 69:19
70:2 71:1 72:7 74:50 76:41 77:8
80:5 81:1 82:4 83:1 84:2 85:20
86:5 87:1 89:2 91:6 92:2 93:1
96:5 97:1 98:2 101:1 102:2 103:331
104:78 108:10 109:3 111:20 113:2 114:24
116:9 117:61 118:33 119:23 121:27 122:8
123:8 124:42 125:5 128:53 129:29 130:95
131:54 132:65 133:154 134:175 136:197 137:46
138:57 139:6 140:36 141:3 142:52 143:24
144:25 146:136 147:60 148:188 149:12 150:40
151:9 152:140 153:3 154:30 155:63 156:132
157:27 158:30 159:117 160:31 161:16 162:24
163:62 164:11 165:49 166:1 167:10 168:120
169:7 170:89 171:1 172:2 173:7 175:16
177:6 179:13 180:16 182:11 184:6 185:14
186:3 187:21 188:4 189:3 190:18 191:13
192:1093 193:37 194:56 195:29 196:144 197:318
198:475 199:276 200:330 201:37 202:636 203:439
204:379 205:136 206:211 207:225 208:65 209:106
210:217 211:3 212:125 213:2 214:8 216:89
218:21 219:5 220:17 222:2 223:15
End of report
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