[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Dec 19 18:45:33 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Thu 19 Dec, 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: 10530
Prefixes after maximum aggregation (per Origin AS): 5571
Deaggregation factor: 1.89
Unique aggregates announced (without unneeded subnets): 6378
Number of IPv4 prefixes with a valid ROA: 3951
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 6578
Total ASes present in the Internet Routing Table: 1228
Prefixes per ASN: 8.57
Origin-only ASes present in the Internet Routing Table: 1016
Origin ASes announcing only one prefix: 417
Transit ASes present in the Internet Routing Table: 212
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.1
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: 45976
Number of 32-bit ASNs visible in the Routing Table: 268
Prefixes from 32-bit ASNs in the Routing Table: 595
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: 1
Number of addresses announced to Internet: 135664128
Equivalent to 8 /8s, 22 /16s and 18 /24s
Percentage of available address space announced: 3.7
Percentage of allocated address space announced: 3.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 1412
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3398
Total APNIC prefixes after maximum aggregation: 1716
APNIC Deaggregation factor: 1.98
Prefixes being announced from the APNIC address blocks: 3398
Unique aggregates announced from the APNIC address blocks: 1951
APNIC Region origin ASes present in the Internet Routing Table: 353
APNIC Prefixes per ASN: 9.63
APNIC Region origin ASes announcing only one prefix: 159
APNIC Region transit ASes present in the Internet Routing Table: 49
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 151
Number of APNIC addresses announced to Internet: 42007808
Equivalent to 2 /8s, 128 /16s and 253 /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 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 5137
Total ARIN prefixes after maximum aggregation: 3021
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 5142
Unique aggregates announced from the ARIN address blocks: 3469
ARIN Region origin ASes present in the Internet Routing Table: 639
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 187
ARIN Region transit ASes present in the Internet Routing Table: 116
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 10
Number of ARIN region 32-bit ASNs visible in the Routing Table: 76
Number of ARIN addresses announced to Internet: 77068544
Equivalent to 4 /8s, 151 /16s and 249 /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 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8,
67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8,
74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8,
100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 680
Total RIPE prefixes after maximum aggregation: 529
RIPE Deaggregation factor: 1.29
Prefixes being announced from the RIPE address blocks: 674
Unique aggregates announced from the RIPE address blocks: 584
RIPE Region origin ASes present in the Internet Routing Table: 118
RIPE Prefixes per ASN: 5.71
RIPE Region origin ASes announcing only one prefix: 49
RIPE Region transit ASes present in the Internet Routing Table: 17
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 20
Number of RIPE addresses announced to Internet: 12457984
Equivalent to 0 /8s, 190 /16s and 24 /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 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8,
81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8,
88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8,
95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 304
Total LACNIC prefixes after maximum aggregation: 182
LACNIC Deaggregation factor: 1.67
Prefixes being announced from the LACNIC address blocks: 305
Unique aggregates announced from the LACNIC address blocks: 223
LACNIC Region origin ASes present in the Internet Routing Table: 34
LACNIC Prefixes per ASN: 8.97
LACNIC Region origin ASes announcing only one prefix: 16
LACNIC Region transit ASes present in the Internet Routing Table: 13
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 16
Number of LACNIC addresses announced to Internet: 1861888
Equivalent to 0 /8s, 28 /16s and 105 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1010
Total AfriNIC prefixes after maximum aggregation: 122
AfriNIC Deaggregation factor: 8.28
Prefixes being announced from the AfriNIC address blocks: 1010
Unique aggregates announced from the AfriNIC address blocks: 150
AfriNIC Region origin ASes present in the Internet Routing Table: 16
AfriNIC Prefixes per ASN: 63.12
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 5
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 2267648
Equivalent to 0 /8s, 34 /16s and 154 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 568 2087 443 SINET-AS Research Organization of Informa
7497 440 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 168 313 111 AARNET-AS-AP Australian Academic and Rese
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 135 4192 71 ERX-CERNET-BKB China Education and Resear
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
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
668 202 642 172 DNIC-AS-00668, US
5786 198 16 1 UPRENET, PR
376 182 160 133 RISQ-AS, CA
2152 149 507 97 CENIC-2152, US
81 131 502 32 NCREN, US
270 115 328 79 AS270, US
23024 97 7 19 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 80 525 46 MERIT-AS-14, US
1736 79 16 1 MU-AS, 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 118 8 64 ISU Internet Services Unit ISU, SA
1103 90 1662 79 SURFNET-NL SURFnet, The Netherlands, NL
3267 76 27 66 NIKS, RU
1653 52 150 49 SUNET SUNET Swedish University Network, E
1741 38 133 17 FUNETAS, FI
1880 14 1 7 STUPI, SE
8674 14 2 11 NETNOD-IX Netnod AB, SE
1101 12 465 12 IP-EEND-AS IP-EEND BV, NL
224 11 240 11 UNINETT UNINETT, The Norwegian University
29384 11 3 8 QATAR-FOUNDATION, QA
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
11340 89 23 50 Red Universitaria Nacional, CL
61468 43 4 15 CEDIA, EC
1916 42 167 28 Rede Nacional de Ensino e Pesquisa, BR
1251 34 31 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
278 22 32 4 Universidad Nacional Autonoma de Mexico,
2715 14 97 12 Fundacao Carlos Chagas Filho de Amparo a
28571 12 37 12 UNIVERSIDADE DE SAO PAULO, BR
269224 7 0 1 Universidade La Salle, BR
53187 3 25 3 UNIVERSIDADE ESTADUAL DE CAMPINAS, BR
61496 3 1 2 UNIVERSIDAD NACIONAL DEL CENTRO DE LA PRO
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 540 82 3 KENET-AS, KE
2018 342 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
327700 16 16 1 MoRENet, MZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37182 3 0 3 TERNET, TZ
37520 3 16 3 Rhodes-Univ, ZA
37532 2 20 2 ZAMREN, ZM
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 568 2087 443 SINET-AS Research Organization of Informa
36914 540 82 3 KENET-AS, KE
7497 440 180 24 CSTNET-AS-AP Computer Network Information
2018 342 319 71 TENET-1, ZA
668 202 642 172 DNIC-AS-00668, US
5786 198 16 1 UPRENET, PR
1237 191 74 145 KREONET-AS-KR KISTI, KR
376 182 160 133 RISQ-AS, CA
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 168 313 111 AARNET-AS-AP Australian Academic and Rese
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 540 537 KENET-AS, KE
7497 440 416 CSTNET-AS-AP Computer Network Information Cente
2018 342 271 TENET-1, ZA
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
55824 146 126 NKN-CORE-NW NKN Core Network, IN
81 131 99 NCREN, US
23024 97 78 OCDE, US
1736 79 78 MU-AS, US
21976 91 74 NJEDGE-NET, US
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
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/TENET/data-add-IANA
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 /14:27 /15:86 /16:1220 /17:268 /18:284
/19:332 /20:459 /21:439 /22:751 /23:837 /24:5797
/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
36914 516 540 KENET-AS, KE
8895 115 118 ISU Internet Services Unit ISU, SA
23024 37 97 OCDE, US
32440 35 60 LONI, US
3267 34 76 NIKS, RU
46115 32 33 LUTHER, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
37215 26 32 MAREN, MW
26898 24 32 LNOCA-ORG, 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 12:2 14:93
23:6 24:3 35:8 38:11 41:226 42:11
44:3 45:44 47:1 49:10 50:2 52:1
59:19 60:5 61:3 62:2 63:32 64:43
65:5 66:43 67:39 68:12 69:18 70:2
71:1 72:7 74:49 76:39 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 98:2 101:1 102:2 103:291 104:78
108:10 109:4 111:21 113:1 114:24 116:9
117:61 118:33 119:23 121:27 122:8 123:8
124:41 125:5 128:53 129:29 130:94 131:58
132:65 133:155 134:106 136:198 137:46 138:57
139:5 140:36 141:3 142:38 143:18 144:1
146:85 147:11 148:1 149:4 150:16 151:4
152:88 154:24 155:18 156:1 157:3 158:12
159:99 160:28 161:5 162:13 163:29 164:1
165:1 168:30 169:2 170:4 171:1 173:5
175:1 180:16 182:1 184:5 185:2 187:3
188:3 190:14 192:639 193:24 194:30 195:2
196:129 197:325 198:278 199:109 200:27 202:332
203:184 204:94 205:56 206:108 207:79 208:32
209:60 210:144 211:2 212:104 214:6 216:32
218:23 219:5 220:14 223:4
End of report
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