[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Oct 20 18:50:45 UTC 2022
IPv4 R&E Routing Table Report 18:50 GMT Thu 20 Oct, 2022
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: 15025
Prefixes after maximum aggregation (per Origin AS): 8468
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 9422
Number of IPv4 prefixes with a valid ROA: 4032
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 10986
Total ASes present in the Internet Routing Table: 2224
Prefixes per ASN: 6.76
Origin-only ASes present in the Internet Routing Table: 1902
Origin ASes announcing only one prefix: 868
Transit ASes present in the Internet Routing Table: 322
Transit-only ASes present in the Internet Routing Table: 63
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 18
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 40435
Number of 32-bit ASNs visible in the Routing Table: 514
Prefixes from 32-bit ASNs in the Routing Table: 1381
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: 183617536
Equivalent to 10 /8s, 241 /16s and 200 /24s
Percentage of available address space announced: 5.0
Percentage of allocated address space announced: 5.0
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: 1796
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3826
Total APNIC prefixes after maximum aggregation: 2024
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3827
Unique aggregates announced from the APNIC address blocks: 2228
APNIC Region origin ASes present in the Internet Routing Table: 486
APNIC Prefixes per ASN: 7.87
APNIC Region origin ASes announcing only one prefix: 217
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 192
Number of APNIC addresses announced to Internet: 44638208
Equivalent to 2 /8s, 169 /16s and 32 /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, 131072-151865
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: 5503
Total ARIN prefixes after maximum aggregation: 3071
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 5514
Unique aggregates announced from the ARIN address blocks: 3465
ARIN Region origin ASes present in the Internet Routing Table: 898
ARIN Prefixes per ASN: 6.14
ARIN Region origin ASes announcing only one prefix: 319
ARIN Region transit ASes present in the Internet Routing Table: 128
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: 129
Number of ARIN addresses announced to Internet: 77107200
Equivalent to 4 /8s, 152 /16s and 144 /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: 3313
Total RIPE prefixes after maximum aggregation: 2640
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3307
Unique aggregates announced from the RIPE address blocks: 2674
RIPE Region origin ASes present in the Internet Routing Table: 604
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 268
RIPE Region transit ASes present in the Internet Routing Table: 91
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 123
Number of RIPE addresses announced to Internet: 55905536
Equivalent to 3 /8s, 85 /16s and 13 /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
196608-213403
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: 1428
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1425
Unique aggregates announced from the LACNIC address blocks: 784
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.91
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4214528
Equivalent to 0 /8s, 64 /16s and 79 /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: 952
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 6.06
Prefixes being announced from the AfriNIC address blocks: 952
Unique aggregates announced from the AfriNIC address blocks: 271
AfriNIC Region origin ASes present in the Internet Routing Table: 10
AfriNIC Prefixes per ASN: 95.20
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: 2.2
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 1752064
Equivalent to 0 /8s, 26 /16s and 188 /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 570 2156 457 SINET-AS Research Organization of Infor
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
4538 190 4192 73 ERX-CERNET-BKB China Education and Rese
1237 186 74 134 KREONET-AS-KR KISTI, KR
7575 176 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
55824 113 18 10 NKN-CORE-NW NKN Core Network, IN
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
2697 54 3 32 ERX-ERNET-AS Education and Research Net
1659 52 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 200 16 1 UPRENET, PR
2152 148 507 90 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 115 7 13 OCDE, US
2920 108 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
3 78 496 15 MIT-GATEWAYS, US
3477 70 74 38 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
680 276 1934 245 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 134 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 62 583 57 FR-RENATER Reseau National de telecommu
1930 58 81 53 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 157 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 96 24 54 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
28571 40 40 18 UNIVERSIDADE DE SAO PAULO, BR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
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 471 81 36 KENET-AS, KE
2018 376 319 72 TENET-1, ZA
2561 67 4 32 EUN, EG
6879 24 2 9 ENSTINET-, EG
30983 4 4 1 MARWAN-AS, MA
327945 4 0 2 ILRI, KE
328225 2 0 1 Strathmore-University, KE
328762 2 0 2 Mansoora-University, EG
3208 1 2 1 ARN, DZ
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 570 2156 457 SINET-AS Research Organization of Infor
36914 471 81 36 KENET-AS, KE
7497 431 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 72 TENET-1, ZA
680 276 1934 245 DFN Verein zur Foerderung eines Deutsch
5786 200 16 1 UPRENET, PR
4538 190 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
1237 186 74 134 KREONET-AS-KR KISTI, KR
7575 176 329 121 AARNET-AS-AP Australian Academic and Re
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 471 435 KENET-AS, KE
7497 431 407 CSTNET-AS-AP Computer Network Information Cente
2018 376 304 TENET-1, ZA
5786 200 199 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 134 130 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 190 117 ERX-CERNET-BKB China Education and Research Net
1916 157 114 Rede Nacional de Ensino e Pesquisa, BR
55824 113 103 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
65216 PRIVATE 91.196.28.0/22 199713 MLL-AS, GB
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, 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 /10:2 /11:1 /12:10
/13:19 /14:34 /15:118 /16:1740 /17:376 /18:373
/19:448 /20:702 /21:754 /22:1131 /23:1283 /24:8033
/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 451 471 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 53 115 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
32440 32 47 LONI, US
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
200521 28 49 SEAP-AGE, ES
1968 22 34 UMASSNET-AS1968, US
3267 22 56 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 8:2 14:85 18:43 23:5
24:2 31:7 35:4 38:6 41:185 42:15
44:4 45:28 46:5 49:10 52:1 58:12
59:9 60:4 61:3 62:9 63:3 64:23
65:1 66:11 67:41 68:1 69:21 70:2
72:7 74:13 76:37 77:8 78:2 79:10
80:18 81:25 82:8 83:6 84:4 85:30
86:6 87:1 88:1 89:9 91:43 92:1
93:4 94:4 95:1 97:2 98:2 101:8
102:1 103:270 104:73 108:2 109:10 110:4
111:10 116:6 118:18 119:23 121:19 122:8
123:8 124:39 125:4 128:65 129:35 130:88
131:42 132:51 133:146 134:32 136:200 137:48
138:9 139:5 140:41 141:1 143:24 144:23
146:129 147:26 148:190 149:12 150:122 151:6
152:71 153:14 154:22 155:48 156:67 157:23
158:42 159:115 160:26 161:18 162:12 163:65
164:10 165:11 166:1 167:12 168:117 169:9
170:54 171:1 172:2 173:6 175:30 176:8
177:11 179:10 180:18 181:1 182:3 185:34
186:3 187:17 188:13 189:3 190:33 191:36
192:1183 193:298 194:129 195:87 196:138 197:256
198:277 199:121 200:227 201:38 202:468 203:236
204:269 205:34 206:68 207:84 208:60 209:82
210:137 211:12 212:165 213:5 216:33 217:11
218:21 219:12 220:6 222:6 223:4
End of report
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