[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 15 18:50:40 UTC 2024
IPv4 R&E Routing Table Report 18:50 GMT Mon 15 Apr, 2024
IPv4 BGP Table (R&E) as seen at KENET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KENET/
Analysis Summary
----------------
BGP routing table entries examined: 15647
Prefixes after maximum aggregation (per Origin AS): 8760
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 9744
Number of IPv4 prefixes with a valid ROA: 4683
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 10964
Total ASes present in the Internet Routing Table: 2258
Prefixes per ASN: 6.93
Origin-only ASes present in the Internet Routing Table: 1939
Origin ASes announcing only one prefix: 851
Transit ASes present in the Internet Routing Table: 319
Transit-only ASes present in the Internet Routing Table: 69
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 13
Number of instances of unregistered ASNs: 13
Number of 32-bit ASNs allocated by the RIRs: 44132
Number of 32-bit ASNs visible in the Routing Table: 518
Prefixes from 32-bit ASNs in the Routing Table: 1397
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: 182482944
Equivalent to 10 /8s, 224 /16s and 120 /24s
Percentage of available address space announced: 4.9
Percentage of allocated address space announced: 4.9
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: 1865
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4133
Total APNIC prefixes after maximum aggregation: 2157
APNIC Deaggregation factor: 1.92
Prefixes being announced from the APNIC address blocks: 4133
Unique aggregates announced from the APNIC address blocks: 2462
APNIC Region origin ASes present in the Internet Routing Table: 476
APNIC Prefixes per ASN: 8.68
APNIC Region origin ASes announcing only one prefix: 209
APNIC Region transit ASes present in the Internet Routing Table: 51
Average APNIC Region AS path length visible: 5.2
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: 45073408
Equivalent to 2 /8s, 175 /16s and 196 /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: 5765
Total ARIN prefixes after maximum aggregation: 3166
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 5791
Unique aggregates announced from the ARIN address blocks: 3518
ARIN Region origin ASes present in the Internet Routing Table: 923
ARIN Prefixes per ASN: 6.27
ARIN Region origin ASes announcing only one prefix: 316
ARIN Region transit ASes present in the Internet Routing Table: 125
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 143
Number of ARIN addresses announced to Internet: 75643648
Equivalent to 4 /8s, 130 /16s and 59 /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: 3408
Total RIPE prefixes after maximum aggregation: 2734
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3397
Unique aggregates announced from the RIPE address blocks: 2786
RIPE Region origin ASes present in the Internet Routing Table: 616
RIPE Prefixes per ASN: 5.51
RIPE Region origin ASes announcing only one prefix: 265
RIPE Region transit ASes present in the Internet Routing Table: 97
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 55772928
Equivalent to 3 /8s, 83 /16s and 7 /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: 1379
Total LACNIC prefixes after maximum aggregation: 556
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1377
Unique aggregates announced from the LACNIC address blocks: 755
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.45
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4278016
Equivalent to 0 /8s, 65 /16s and 71 /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: 949
Total AfriNIC prefixes after maximum aggregation: 136
AfriNIC Deaggregation factor: 6.98
Prefixes being announced from the AfriNIC address blocks: 949
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 8
AfriNIC Prefixes per ASN: 118.62
AfriNIC Region origin ASes announcing only one prefix: 3
AfriNIC Region transit ASes present in the Internet Routing Table: 4
Average AfriNIC Region AS path length visible: 1.9
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 2
Number of AfriNIC addresses announced to Internet: 1714944
Equivalent to 0 /8s, 26 /16s and 43 /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 591 2162 464 SINET-AS Research Organization of Infor
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 142 KREONET-AS-KR KISTI, KR
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 114 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4762 69 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 58 4 34 ERX-ERNET-AS Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 198 16 1 UPRENET, PR
2920 174 34 7 LACOE, US
270 162 345 88 AS270, US
2152 151 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 108 7 22 OCDE, US
21976 79 51 18 NJEDGE-NET, US
237 72 527 44 MERIT-AS-14, US
3477 71 63 40 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 134 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 68 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
1916 141 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 108 25 51 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 534 80 50 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
6879 24 2 9 ENSTINET-, EG
327945 4 0 2 ILRI, KE
328225 3 0 1 Strathmore-University, KE
3208 1 2 1 ARN, DZ
6149 1 0 1 TENET-2, ZA
37717 1 16 1 EL-Khawarizmi, TN
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 591 2162 464 SINET-AS Research Organization of Infor
36914 534 80 50 KENET-AS, KE
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
5786 198 16 1 UPRENET, PR
1237 189 74 142 KREONET-AS-KR KISTI, KR
786 186 1767 183 JANET Jisc Services Limited, GB
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 534 484 KENET-AS, KE
7497 442 418 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 174 167 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 134 129 ISU Internet Services Unit ISU, SA
55824 131 112 NKN-CORE-NW NKN Core Network, IN
4538 183 108 ERX-CERNET-BKB China Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/KENET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/KENET/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
/13:19 /14:34 /15:117 /16:1770 /17:382 /18:385
/19:485 /20:730 /21:771 /22:1200 /23:1340 /24:8401
/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 516 534 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 51 108 OCDE, US
32440 38 62 LONI, US
3267 36 76 RUNNET, RU
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 30 44 HCCS, US
26898 24 32 LNOCA-ORG, US
36794 24 26 SCOCA, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 14:91 23:4 24:3
31:1 35:4 38:7 41:184 42:16 44:4
45:33 46:5 47:1 49:9 50:1 58:10
59:11 60:6 61:3 62:9 63:3 64:18
65:1 66:22 67:41 68:2 69:17 70:2
72:7 74:16 76:41 77:11 78:2 79:10
80:12 81:23 82:7 83:7 84:6 85:26
86:5 87:1 89:11 91:46 92:2 93:3
94:2 95:2 97:1 98:2 101:5 103:228
104:75 108:2 109:7 111:10 114:24 116:8
117:61 118:19 119:20 121:15 122:8 123:8
124:42 125:5 128:61 129:35 130:82 131:39
132:50 133:157 134:44 136:197 137:40 138:57
139:4 140:35 141:3 143:17 144:23 145:1
146:133 147:27 148:191 149:12 150:42 151:9
152:133 153:14 154:23 155:60 156:138 157:20
158:35 159:114 160:30 161:10 162:12 163:68
164:14 165:47 166:1 167:5 168:121 169:6
170:87 171:1 172:3 173:7 175:18 176:8
177:6 179:13 180:15 181:1 182:1 185:45
186:3 187:18 188:13 189:3 190:17 191:13
192:1230 193:264 194:136 195:71 196:140 197:324
198:272 199:107 200:260 201:37 202:469 203:303
204:287 205:41 206:65 207:74 208:67 209:93
210:189 211:15 212:159 213:5 216:33 217:10
218:22 219:5 220:17 222:3 223:14
End of report
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