[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 16 18:50:40 UTC 2024
IPv4 R&E Routing Table Report 18:50 GMT Sat 16 Mar, 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: 15569
Prefixes after maximum aggregation (per Origin AS): 8794
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 9793
Number of IPv4 prefixes with a valid ROA: 5119
Number of IPv4 prefixes with an invalid ROA: 6
Number of IPv4 prefixes with no ROA: 10444
Total ASes present in the Internet Routing Table: 2274
Prefixes per ASN: 6.85
Origin-only ASes present in the Internet Routing Table: 1956
Origin ASes announcing only one prefix: 859
Transit ASes present in the Internet Routing Table: 318
Transit-only ASes present in the Internet Routing Table: 68
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.0
Max AS path length visible: 17
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 43843
Number of 32-bit ASNs visible in the Routing Table: 527
Prefixes from 32-bit ASNs in the Routing Table: 1449
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: 182350336
Equivalent to 10 /8s, 222 /16s and 114 /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: 1876
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4146
Total APNIC prefixes after maximum aggregation: 2199
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 4146
Unique aggregates announced from the APNIC address blocks: 2525
APNIC Region origin ASes present in the Internet Routing Table: 498
APNIC Prefixes per ASN: 8.33
APNIC Region origin ASes announcing only one prefix: 220
APNIC Region transit ASes present in the Internet Routing Table: 52
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 186
Number of APNIC addresses announced to Internet: 45152512
Equivalent to 2 /8s, 176 /16s and 249 /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: 5652
Total ARIN prefixes after maximum aggregation: 3139
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 5675
Unique aggregates announced from the ARIN address blocks: 3509
ARIN Region origin ASes present in the Internet Routing Table: 915
ARIN Prefixes per ASN: 6.20
ARIN Region origin ASes announcing only one prefix: 309
ARIN Region transit ASes present in the Internet Routing Table: 127
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 140
Number of ARIN addresses announced to Internet: 75415808
Equivalent to 4 /8s, 126 /16s and 193 /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, 393216-401308
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: 3411
Total RIPE prefixes after maximum aggregation: 2742
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3400
Unique aggregates announced from the RIPE address blocks: 2766
RIPE Region origin ASes present in the Internet Routing Table: 619
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 269
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: 131
Number of RIPE addresses announced to Internet: 55841024
Equivalent to 3 /8s, 84 /16s and 17 /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: 1383
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1381
Unique aggregates announced from the LACNIC address blocks: 767
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 8.42
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: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4225280
Equivalent to 0 /8s, 64 /16s and 121 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 967
Total AfriNIC prefixes after maximum aggregation: 137
AfriNIC Deaggregation factor: 7.06
Prefixes being announced from the AfriNIC address blocks: 967
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 8
AfriNIC Prefixes per ASN: 120.88
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: 1715712
Equivalent to 0 /8s, 26 /16s and 46 /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 590 2162 464 SINET-AS Research Organization of Infor
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
1237 192 74 142 KREONET-AS-KR KISTI, KR
4538 182 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 115 AARNET-AS-AP Australian Academic and Re
55824 130 19 19 NKN-CORE-NW NKN Core Network, IN
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 58 4 34 ERX-ERNET-AS Education and Research Net
1659 51 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
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 197 16 1 UPRENET, PR
2152 145 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
270 117 328 81 AS270, US
23024 108 7 22 OCDE, US
2920 102 34 7 LACOE, 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
786 184 1767 181 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 44 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 154 10 67 Universidad Juarez Autonoma de Tabasco,
1916 147 176 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 44 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 551 81 51 KENET-AS, KE
2018 382 319 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 590 2162 464 SINET-AS Research Organization of Infor
36914 551 81 51 KENET-AS, KE
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
5786 197 16 1 UPRENET, PR
1237 192 74 142 KREONET-AS-KR KISTI, KR
786 184 1767 181 JANET Jisc Services Limited, GB
4538 182 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 551 500 KENET-AS, KE
7497 441 418 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
5786 197 196 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
18558 141 137 NETBLK-RCOEK, US
8895 134 129 ISU Internet Services Unit ISU, SA
55824 130 111 NKN-CORE-NW NKN Core Network, IN
4538 182 107 ERX-CERNET-BKB China Education and Research Net
1916 147 105 Rede Nacional de Ensino e Pesquisa, BR
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
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
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /16:1761 /17:384 /18:381
/19:484 /20:729 /21:762 /22:1203 /23:1335 /24:8347
/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 533 551 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 52 108 OCDE, US
32440 38 62 LONI, US
3267 35 77 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
200521 31 53 SEAP-AGE, ES
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 14:90 23:4 24:3
31:1 35:4 38:6 41:189 42:16 44:4
45:34 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 82:5 83:7 84:6 85:30
86:4 87:1 89:10 91:45 92:2 93:3
94:2 95:2 97:1 98:2 101:5 103:262
104:73 108:2 109:7 111:10 114:24 116:8
117:61 118:19 119:20 121:15 122:8 123:8
124:42 125:5 128:62 129:36 130:82 131:39
132:50 133:156 134:44 136:196 137:51 138:57
139:4 140:31 141:3 143:17 144:23 145:1
146:133 147:26 148:193 149:11 150:43 151:9
152:133 153:14 154:23 155:60 156:68 157:18
158:35 159:114 160:30 161:11 162:12 163:77
164:13 165:47 166:1 167:10 168:118 169:7
170:87 171:1 172:3 173:7 175:25 176:8
177:6 179:12 180:15 182:1 185:46 186:3
187:17 188:13 189:3 190:17 191:13 192:1227
193:263 194:135 195:70 196:140 197:336 198:275
199:110 200:266 201:37 202:424 203:302 204:287
205:37 206:65 207:64 208:67 209:91 210:194
211:15 212:158 213:4 216:32 217:10 218:22
219:5 220:17 222:3 223:14
End of report
More information about the ren-bgp-stats-all
mailing list