[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Dec 14 18:45:43 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Sat 14 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: 16690
Prefixes after maximum aggregation (per Origin AS): 8428
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 9551
Number of IPv4 prefixes with a valid ROA: 5898
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 10789
Total ASes present in the Internet Routing Table: 2243
Prefixes per ASN: 7.44
Origin-only ASes present in the Internet Routing Table: 1952
Origin ASes announcing only one prefix: 821
Transit ASes present in the Internet Routing Table: 291
Transit-only ASes present in the Internet Routing Table: 54
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.6
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: 45979
Number of 32-bit ASNs visible in the Routing Table: 519
Prefixes from 32-bit ASNs in the Routing Table: 1516
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: 2
Number of addresses announced to Internet: 157942272
Equivalent to 9 /8s, 106 /16s and 2 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 4.3
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: 1825
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4635
Total APNIC prefixes after maximum aggregation: 2252
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4634
Unique aggregates announced from the APNIC address blocks: 2611
APNIC Region origin ASes present in the Internet Routing Table: 560
APNIC Prefixes per ASN: 8.28
APNIC Region origin ASes announcing only one prefix: 239
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 208
Number of APNIC addresses announced to Internet: 45536768
Equivalent to 2 /8s, 182 /16s and 214 /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: 8694
Total ARIN prefixes after maximum aggregation: 4884
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8702
Unique aggregates announced from the ARIN address blocks: 5385
ARIN Region origin ASes present in the Internet Routing Table: 1262
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 207
Number of ARIN addresses announced to Internet: 92084224
Equivalent to 5 /8s, 125 /16s and 24 /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: 883
Total RIPE prefixes after maximum aggregation: 615
RIPE Deaggregation factor: 1.44
Prefixes being announced from the RIPE address blocks: 877
Unique aggregates announced from the RIPE address blocks: 650
RIPE Region origin ASes present in the Internet Routing Table: 188
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 81
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: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 33
Number of RIPE addresses announced to Internet: 13841408
Equivalent to 0 /8s, 211 /16s and 52 /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: 1389
Total LACNIC prefixes after maximum aggregation: 536
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1387
Unique aggregates announced from the LACNIC address blocks: 719
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 8.89
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 24
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: 64
Number of LACNIC addresses announced to Internet: 4200960
Equivalent to 0 /8s, 64 /16s and 26 /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: 1088
Total AfriNIC prefixes after maximum aggregation: 140
AfriNIC Deaggregation factor: 7.77
Prefixes being announced from the AfriNIC address blocks: 1088
Unique aggregates announced from the AfriNIC address blocks: 184
AfriNIC Region origin ASes present in the Internet Routing Table: 22
AfriNIC Prefixes per ASN: 49.45
AfriNIC Region origin ASes announcing only one prefix: 9
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: 2278400
Equivalent to 0 /8s, 34 /16s and 196 /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 590 2199 460 SINET-AS Research Organization of Informa
7497 445 180 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 171 313 114 AARNET-AS-AP Australian Academic and Rese
55824 146 19 20 NKN-CORE-NW NKN Core Network, IN
4538 139 4192 71 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 68 37 10 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
2152 495 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
668 202 614 171 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
270 117 328 81 AS270, US
23024 97 7 19 OCDE, US
21976 91 50 17 NJEDGE-NET, 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 132 24 5 ISU Internet Services Unit ISU, SA
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 77 27 67 NIKS, RU
1653 52 150 49 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 158 178 41 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 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 53 5 18 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 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 547 82 3 KENET-AS, KE
2018 378 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 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
37182 3 0 3 TERNET, TZ
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 2199 460 SINET-AS Research Organization of Informa
36914 547 82 3 KENET-AS, KE
2152 495 507 99 CENIC-2152, US
7497 445 180 24 CSTNET-AS-AP Computer Network Information
2018 378 319 71 TENET-1, ZA
2920 226 44 49 LACOE, US
668 202 614 171 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
1237 191 74 145 KREONET-AS-KR KISTI, KR
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 547 544 KENET-AS, KE
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2152 495 396 CENIC-2152, US
2018 378 307 TENET-1, ZA
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 226 177 LACOE, US
18558 141 136 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
55824 146 126 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
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
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 /16:1470 /17:371 /18:407
/19:496 /20:747 /21:706 /22:1176 /23:1344 /24:9826
/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 523 547 KENET-AS, KE
8895 127 132 ISU Internet Services Unit ISU, SA
2152 59 495 CENIC-2152, US
23024 37 97 OCDE, US
32440 36 61 LONI, US
3267 34 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 12:2 14:93
23:7 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 64:44
65:5 66:43 67:40 68:12 69:18 70:2
71:1 72:7 74:49 76:40 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 98:2 101:1 102:2 103:292 104:79
108:10 109:4 111:21 113:1 114:24 116:9
117:61 118:33 119:23 121:27 122:8 123:8
124:41 125:5 128:53 129:29 130:96 131:59
132:65 133:155 134:106 136:198 137:88 138:59
139:5 140:36 141:3 142:53 143:24 144:25
146:136 147:60 148:188 149:12 150:40 151:9
152:139 153:3 154:31 155:64 156:130 157:26
158:34 159:117 160:33 161:17 162:24 163:62
164:11 165:48 166:1 167:26 168:119 169:7
170:88 171:1 172:2 173:7 175:16 177:6
179:13 180:16 181:1 182:11 184:6 185:11
186:3 187:22 188:4 189:5 190:18 191:13
192:1094 193:37 194:56 195:29 196:144 197:331
198:554 199:279 200:280 201:37 202:636 203:438
204:397 205:173 206:211 207:302 208:65 209:153
210:218 211:3 212:123 213:2 214:8 216:91
218:23 219:6 220:16 222:2 223:15
End of report
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