[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 22 18:50:42 UTC 2024
IPv4 R&E Routing Table Report 18:50 GMT Mon 22 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: 15607
Prefixes after maximum aggregation (per Origin AS): 8752
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 9721
Number of IPv4 prefixes with a valid ROA: 4619
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 10988
Total ASes present in the Internet Routing Table: 2268
Prefixes per ASN: 6.88
Origin-only ASes present in the Internet Routing Table: 1952
Origin ASes announcing only one prefix: 859
Transit ASes present in the Internet Routing Table: 316
Transit-only ASes present in the Internet Routing Table: 64
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: 44225
Number of 32-bit ASNs visible in the Routing Table: 521
Prefixes from 32-bit ASNs in the Routing Table: 1387
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: 182526720
Equivalent to 10 /8s, 225 /16s and 35 /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: 1830
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4182
Total APNIC prefixes after maximum aggregation: 2182
APNIC Deaggregation factor: 1.92
Prefixes being announced from the APNIC address blocks: 4182
Unique aggregates announced from the APNIC address blocks: 2490
APNIC Region origin ASes present in the Internet Routing Table: 505
APNIC Prefixes per ASN: 8.28
APNIC Region origin ASes announcing only one prefix: 224
APNIC Region transit ASes present in the Internet Routing Table: 55
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 186
Number of APNIC addresses announced to Internet: 45214208
Equivalent to 2 /8s, 177 /16s and 234 /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: 5757
Total ARIN prefixes after maximum aggregation: 3166
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 5783
Unique aggregates announced from the ARIN address blocks: 3520
ARIN Region origin ASes present in the Internet Routing Table: 924
ARIN Prefixes per ASN: 6.26
ARIN Region origin ASes announcing only one prefix: 318
ARIN Region transit ASes present in the Internet Routing Table: 124
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: 75635456
Equivalent to 4 /8s, 130 /16s and 27 /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: 3401
Total RIPE prefixes after maximum aggregation: 2732
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3390
Unique aggregates announced from the RIPE address blocks: 2779
RIPE Region origin ASes present in the Internet Routing Table: 615
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: 95
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: 55704576
Equivalent to 3 /8s, 81 /16s and 252 /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: 1310
Total LACNIC prefixes after maximum aggregation: 524
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1308
Unique aggregates announced from the LACNIC address blocks: 712
LACNIC Region origin ASes present in the Internet Routing Table: 149
LACNIC Prefixes per ASN: 8.78
LACNIC Region origin ASes announcing only one prefix: 49
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 57
Number of LACNIC addresses announced to Internet: 4258304
Equivalent to 0 /8s, 64 /16s and 250 /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: 944
Total AfriNIC prefixes after maximum aggregation: 137
AfriNIC Deaggregation factor: 6.89
Prefixes being announced from the AfriNIC address blocks: 944
Unique aggregates announced from the AfriNIC address blocks: 220
AfriNIC Region origin ASes present in the Internet Routing Table: 8
AfriNIC Prefixes per ASN: 118.00
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: 1714176
Equivalent to 0 /8s, 26 /16s and 40 /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 443 180 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 142 KREONET-AS-KR KISTI, KR
4538 189 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 149 507 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 77 27 65 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 67 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
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
3596 35 4 3 Universidad Autonoma Metropolitana, MX
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 532 80 51 KENET-AS, KE
2018 378 319 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 532 80 51 KENET-AS, KE
7497 443 180 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 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
4538 189 4193 75 ERX-CERNET-BKB China Education and Rese
786 186 1767 183 JANET Jisc Services Limited, GB
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 532 481 KENET-AS, KE
7497 443 419 CSTNET-AS-AP Computer Network Information Cente
2018 378 307 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
4538 189 114 ERX-CERNET-BKB China Education and Research Net
55824 131 112 NKN-CORE-NW NKN Core Network, IN
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 /16:1769 /17:383 /18:388
/19:484 /20:727 /21:771 /22:1197 /23:1334 /24:8371
/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 514 532 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 51 108 OCDE, US
32440 38 63 LONI, US
3267 36 77 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 30 44 HCCS, US
200521 30 50 SEAP-AGE, ES
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
45:22 46:5 47:1 49:9 50:1 58:16
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 98:2 101:5 103:247
104:76 108:2 109:7 114:24 116:8 117:61
118:19 119:21 121:11 122:8 123:8 124:42
125:5 128:61 129:35 130:82 131:39 132:57
133:157 134:44 136:197 137:39 138:57 139:4
140:35 141:3 143:13 144:23 145:1 146:133
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
165:47 166:1 167:8 168:121 169:6 170:88
171:1 172:3 173:7 175:25 176:8 177:6
179:10 180:11 182:8 185:44 186:3 187:18
188:13 189:3 191:13 192:1212 193:264 194:136
195:70 196:139 197:322 198:272 199:108 200:248
201:33 202:478 203:310 204:288 205:41 206:65
207:74 208:67 209:88 210:189 211:15 212:158
213:5 216:33 217:10 218:22 219:5 220:17
222:3 223:14
End of report
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