[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Oct 31 18:45:37 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Thu 31 Oct, 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: 14669
Prefixes after maximum aggregation (per Origin AS): 7638
Deaggregation factor: 1.92
Unique aggregates announced (without unneeded subnets): 8712
Number of IPv4 prefixes with a valid ROA: 5101
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 9567
Total ASes present in the Internet Routing Table: 1882
Prefixes per ASN: 7.79
Origin-only ASes present in the Internet Routing Table: 1617
Origin ASes announcing only one prefix: 666
Transit ASes present in the Internet Routing Table: 265
Transit-only ASes present in the Internet Routing Table: 66
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
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: 45680
Number of 32-bit ASNs visible in the Routing Table: 439
Prefixes from 32-bit ASNs in the Routing Table: 1216
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: 156392960
Equivalent to 9 /8s, 82 /16s and 94 /24s
Percentage of available address space announced: 4.2
Percentage of allocated address space announced: 4.2
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: 1633
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3876
Total APNIC prefixes after maximum aggregation: 1980
APNIC Deaggregation factor: 1.96
Prefixes being announced from the APNIC address blocks: 3875
Unique aggregates announced from the APNIC address blocks: 2265
APNIC Region origin ASes present in the Internet Routing Table: 413
APNIC Prefixes per ASN: 9.38
APNIC Region origin ASes announcing only one prefix: 167
APNIC Region transit ASes present in the Internet Routing Table: 52
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 45384960
Equivalent to 2 /8s, 180 /16s and 133 /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: 7645
Total ARIN prefixes after maximum aggregation: 4357
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 7653
Unique aggregates announced from the ARIN address blocks: 4873
ARIN Region origin ASes present in the Internet Routing Table: 1071
ARIN Prefixes per ASN: 7.15
ARIN Region origin ASes announcing only one prefix: 369
ARIN Region transit ASes present in the Internet Routing Table: 141
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 169
Number of ARIN addresses announced to Internet: 91127040
Equivalent to 5 /8s, 110 /16s and 125 /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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 849
Total RIPE prefixes after maximum aggregation: 665
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 844
Unique aggregates announced from the RIPE address blocks: 730
RIPE Region origin ASes present in the Internet Routing Table: 176
RIPE Prefixes per ASN: 4.80
RIPE Region origin ASes announcing only one prefix: 74
RIPE Region transit ASes present in the Internet Routing Table: 27
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: 30
Number of RIPE addresses announced to Internet: 13812480
Equivalent to 0 /8s, 210 /16s and 195 /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,
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: 1230
Total LACNIC prefixes after maximum aggregation: 494
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1228
Unique aggregates announced from the LACNIC address blocks: 658
LACNIC Region origin ASes present in the Internet Routing Table: 131
LACNIC Prefixes per ASN: 9.37
LACNIC Region origin ASes announcing only one prefix: 45
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 3724032
Equivalent to 0 /8s, 56 /16s and 211 /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: 1068
Total AfriNIC prefixes after maximum aggregation: 141
AfriNIC Deaggregation factor: 7.57
Prefixes being announced from the AfriNIC address blocks: 1068
Unique aggregates announced from the AfriNIC address blocks: 185
AfriNIC Region origin ASes present in the Internet Routing Table: 24
AfriNIC Prefixes per ASN: 44.50
AfriNIC Region origin ASes announcing only one prefix: 11
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 2344192
Equivalent to 0 /8s, 35 /16s and 197 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 589 2170 463 SINET-AS Research Organization of Informa
7497 449 212 25 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 169 329 112 AARNET-AS-AP Australian Academic and Rese
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 125 4192 72 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
2697 54 3 32 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
2152 505 507 99 CENIC-2152, US
668 205 648 174 DNIC-AS-00668, US
5786 197 16 1 UPRENET, PR
376 188 161 138 RISQ-AS, CA
2920 175 34 7 LACOE, US
81 134 517 33 NCREN, US
270 117 328 81 AS270, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 84 541 49 MERIT-AS-14, 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 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 174 178 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
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
61468 50 5 16 CEDIA, EC
4270 46 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
19611 36 16 1 Associacao Antonio Vieira - Unisinos, BR
1251 34 31 27 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 530 82 3 KENET-AS, KE
2018 373 319 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 589 2170 463 SINET-AS Research Organization of Informa
36914 530 82 3 KENET-AS, KE
2152 505 507 99 CENIC-2152, US
7497 449 212 25 CSTNET-AS-AP Computer Network Information
2018 373 319 71 TENET-1, ZA
668 205 648 174 DNIC-AS-00668, US
5786 197 16 1 UPRENET, PR
1237 191 74 145 KREONET-AS-KR KISTI, KR
376 188 161 138 RISQ-AS, CA
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 530 527 KENET-AS, KE
7497 449 424 CSTNET-AS-AP Computer Network Information Cente
2152 505 406 CENIC-2152, US
2018 373 302 TENET-1, ZA
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
1916 174 132 Rede Nacional de Ensino e Pesquisa, BR
55824 132 113 NKN-CORE-NW NKN Core Network, IN
81 134 101 NCREN, 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 /14:30 /15:87 /16:1462 /17:359 /18:373
/19:438 /20:655 /21:618 /22:1060 /23:1170 /24:8387
/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 509 530 KENET-AS, KE
8895 115 118 ISU Internet Services Unit ISU, SA
2152 61 505 CENIC-2152, US
23024 37 95 OCDE, US
32440 36 63 LONI, US
3267 35 77 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 41:224
42:11 44:4 45:44 47:1 49:11 50:2
52:1 59:19 60:6 61:3 62:4 63:32
64:44 65:4 66:42 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 91:8 92:2 93:1
96:5 97:1 98:2 101:1 102:2 103:281
104:79 108:10 109:3 111:16 113:2 114:24
116:9 117:61 118:33 119:23 121:27 122:8
123:8 124:42 125:5 128:52 129:29 130:96
131:55 132:52 133:154 134:106 136:197 137:90
138:57 139:6 140:35 141:3 142:52 143:24
144:25 146:136 147:60 148:188 149:12 150:40
151:9 152:140 153:3 154:30 155:63 156:132
157:27 158:30 159:120 160:31 161:17 162:24
163:61 164:11 165:49 166:1 167:25 168:120
169:7 170:89 171:1 172:2 173:7 175:5
177:6 179:13 180:16 181:1 182:1 184:7
185:14 186:3 187:21 188:4 189:4 190:18
191:13 192:1091 193:37 194:55 195:29 196:140
197:318 198:514 199:198 200:184 201:36 202:383
203:209 204:166 205:115 206:149 207:213 208:37
209:122 210:146 211:2 212:104 214:6 216:37
218:21 219:4 220:15 223:4
End of report
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