[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Nov 20 18:51:42 UTC 2023
IPv4 R&E Routing Table Report 18:50 GMT Mon 20 Nov, 2023
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: 17184
Prefixes after maximum aggregation (per Origin AS): 9475
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 10372
Number of IPv4 prefixes with a valid ROA: 5087
Number of IPv4 prefixes with an invalid ROA: 8
Number of IPv4 prefixes with no ROA: 12089
Total ASes present in the Internet Routing Table: 2536
Prefixes per ASN: 6.78
Origin-only ASes present in the Internet Routing Table: 2187
Origin ASes announcing only one prefix: 979
Transit ASes present in the Internet Routing Table: 349
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 43081
Number of 32-bit ASNs visible in the Routing Table: 589
Prefixes from 32-bit ASNs in the Routing Table: 1603
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: 3
Number of addresses announced to Internet: 195231232
Equivalent to 11 /8s, 162 /16s and 254 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 2070
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4671
Total APNIC prefixes after maximum aggregation: 2282
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4669
Unique aggregates announced from the APNIC address blocks: 2599
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.63
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 207
Number of APNIC addresses announced to Internet: 45567232
Equivalent to 2 /8s, 183 /16s and 77 /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: 6532
Total ARIN prefixes after maximum aggregation: 3622
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 6557
Unique aggregates announced from the ARIN address blocks: 3922
ARIN Region origin ASes present in the Internet Routing Table: 1060
ARIN Prefixes per ASN: 6.19
ARIN Region origin ASes announcing only one prefix: 377
ARIN Region transit ASes present in the Internet Routing Table: 142
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: 163
Number of ARIN addresses announced to Internet: 85755904
Equivalent to 5 /8s, 28 /16s and 136 /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: 3573
Total RIPE prefixes after maximum aggregation: 2860
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3560
Unique aggregates announced from the RIPE address blocks: 2883
RIPE Region origin ASes present in the Internet Routing Table: 689
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 147
Number of RIPE addresses announced to Internet: 57886720
Equivalent to 3 /8s, 115 /16s and 72 /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: 1430
Total LACNIC prefixes after maximum aggregation: 574
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1428
Unique aggregates announced from the LACNIC address blocks: 767
LACNIC Region origin ASes present in the Internet Routing Table: 168
LACNIC Prefixes per ASN: 8.50
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70
Number of LACNIC addresses announced to Internet: 4222720
Equivalent to 0 /8s, 64 /16s and 111 /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: 128
AfriNIC Deaggregation factor: 7.55
Prefixes being announced from the AfriNIC address blocks: 967
Unique aggregates announced from the AfriNIC address blocks: 198
AfriNIC Region origin ASes present in the Internet Routing Table: 9
AfriNIC Prefixes per ASN: 107.44
AfriNIC Region origin ASes announcing only one prefix: 2
AfriNIC Region transit ASes present in the Internet Routing Table: 4
Average AfriNIC Region AS path length visible: 2.0
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: 1732608
Equivalent to 0 /8s, 26 /16s and 112 /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 593 2162 465 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 193 74 142 KREONET-AS-KR KISTI, KR
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 69 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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 144 507 93 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 112 7 19 OCDE, US
2920 101 34 7 LACOE, US
21976 80 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
237 72 1382 28 MERIT-AS-14, 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 76 462 76 BELWUE BelWue-Koordination, DE
3267 68 69 51 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
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
1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 105 24 49 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 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
3596 34 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 518 81 42 KENET-AS, KE
2018 380 319 70 TENET-1, ZA
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
30983 4 4 1 MARWAN-AS, MA
327945 4 0 2 ILRI, KE
328225 3 0 1 Strathmore-University, KE
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 593 2162 465 SINET-AS Research Organization of Infor
36914 518 81 42 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 70 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR
5786 197 16 1 UPRENET, PR
1237 193 74 142 KREONET-AS-KR KISTI, KR
786 185 1767 182 JANET Jisc Services Limited, GB
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
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 518 476 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 310 TENET-1, ZA
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
1916 210 168 Rede Nacional de Ensino e Pesquisa, BR
18558 141 137 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
55824 127 110 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
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
Complete listing at https://bgp.nsrc.org/REN/KENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/KENET/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 /10:2 /11:1 /12:10
/13:19 /14:35 /15:121 /16:1893 /17:406 /18:407
/19:539 /20:798 /21:786 /22:1372 /23:1422 /24:9372
/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 499 518 KENET-AS, KE
8895 127 132 ISU Internet Services Unit ISU, SA
23024 52 112 OCDE, US
32440 38 61 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, 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 12:1 14:89 23:4
24:3 31:7 35:6 38:7 40:1 41:179
42:16 44:7 45:41 46:5 47:1 49:9
50:1 52:1 58:12 59:20 60:5 61:3
62:11 63:32 64:47 65:1 66:36 67:41
68:9 69:17 70:2 71:1 72:7 74:49
76:41 77:9 78:3 79:10 80:13 81:25
82:7 83:7 84:8 85:26 86:4 87:1
89:10 91:50 92:2 93:4 94:4 95:2
97:1 98:2 101:5 103:274 104:74 108:8
109:7 111:15 114:23 116:6 117:61 118:33
119:18 121:29 122:8 123:8 124:40 125:4
128:86 129:43 130:83 131:43 132:58 133:152
134:99 136:196 137:49 138:9 139:4 140:37
141:3 143:15 144:23 145:2 146:132 147:54
148:193 149:11 150:44 151:12 152:133 153:14
154:23 155:63 156:67 157:18 158:33 159:114
160:30 161:17 162:19 163:76 164:13 165:47
166:1 167:9 168:119 169:8 170:69 171:1
172:3 173:7 175:18 176:8 177:6 179:12
180:15 181:1 182:1 184:2 185:58 186:3
187:17 188:14 189:3 190:19 191:13 192:1332
193:298 194:143 195:93 196:139 197:312 198:323
199:145 200:320 201:38 202:624 203:429 204:310
205:54 206:107 207:86 208:68 209:91 210:194
211:14 212:159 213:5 216:64 217:9 218:22
219:6 220:16 222:3 223:14
End of report
More information about the ren-bgp-stats-all
mailing list