[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon May 15 18:50:43 UTC 2023
IPv4 R&E Routing Table Report 18:50 GMT Mon 15 May, 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: 18079
Prefixes after maximum aggregation (per Origin AS): 10181
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 11379
Number of IPv4 prefixes with a valid ROA: 4470
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 13604
Total ASes present in the Internet Routing Table: 2642
Prefixes per ASN: 6.84
Origin-only ASes present in the Internet Routing Table: 2276
Origin ASes announcing only one prefix: 1019
Transit ASes present in the Internet Routing Table: 366
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: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41869
Number of 32-bit ASNs visible in the Routing Table: 589
Prefixes from 32-bit ASNs in the Routing Table: 1623
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: 2
Number of addresses announced to Internet: 201136128
Equivalent to 11 /8s, 253 /16s and 24 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 2161
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4565
Total APNIC prefixes after maximum aggregation: 2237
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4566
Unique aggregates announced from the APNIC address blocks: 2550
APNIC Region origin ASes present in the Internet Routing Table: 530
APNIC Prefixes per ASN: 8.62
APNIC Region origin ASes announcing only one prefix: 225
APNIC Region transit ASes present in the Internet Routing Table: 56
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: 197
Number of APNIC addresses announced to Internet: 45799424
Equivalent to 2 /8s, 186 /16s and 216 /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: 7614
Total ARIN prefixes after maximum aggregation: 4424
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7631
Unique aggregates announced from the ARIN address blocks: 4960
ARIN Region origin ASes present in the Internet Routing Table: 1203
ARIN Prefixes per ASN: 6.34
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 185
Number of ARIN addresses announced to Internet: 91764992
Equivalent to 5 /8s, 120 /16s and 57 /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: 3522
Total RIPE prefixes after maximum aggregation: 2810
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3511
Unique aggregates announced from the RIPE address blocks: 2857
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 140
Number of RIPE addresses announced to Internet: 57847296
Equivalent to 3 /8s, 114 /16s and 174 /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: 1401
Total LACNIC prefixes after maximum aggregation: 563
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1398
Unique aggregates announced from the LACNIC address blocks: 779
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.85
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 65
Number of LACNIC addresses announced to Internet: 3990272
Equivalent to 0 /8s, 60 /16s and 227 /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: 972
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 6.85
Prefixes being announced from the AfriNIC address blocks: 971
Unique aggregates announced from the AfriNIC address blocks: 231
AfriNIC Region origin ASes present in the Internet Routing Table: 10
AfriNIC Prefixes per ASN: 97.10
AfriNIC Region origin ASes announcing only one prefix: 2
AfriNIC Region transit ASes present in the Internet Routing Table: 5
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: 1733376
Equivalent to 0 /8s, 26 /16s and 115 /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 595 2154 465 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 191 74 140 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 117 18 11 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 135 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, 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
680 277 1918 245 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 135 24 3 ISU Internet Services Unit ISU, SA
559 110 533 102 SWITCH Peering requests: peering at switch
1103 94 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 63 583 58 FR-RENATER Reseau National de telecommu
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 155 202 45 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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 514 80 49 KENET-AS, KE
2018 383 319 72 TENET-1, ZA
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
2561 7 0 5 EUN, EG
30983 4 4 1 MARWAN-AS, MA
327945 3 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 595 2154 465 SINET-AS Research Organization of Infor
36914 514 80 49 KENET-AS, KE
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 383 319 72 TENET-1, ZA
680 277 1918 245 DFN Verein zur Foerderung eines Deutsch
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 191 74 140 KREONET-AS-KR KISTI, KR
786 186 1775 183 JANET Jisc Services Limited, GB
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 514 465 KENET-AS, KE
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 383 311 TENET-1, ZA
5786 198 197 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 135 132 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 192 119 ERX-CERNET-BKB China Education and Research Net
1916 155 110 Rede Nacional de Ensino e Pesquisa, BR
55824 117 106 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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /16:1958 /17:400 /18:421
/19:546 /20:818 /21:825 /22:1352 /23:1484 /24:10086
/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 495 514 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
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 14:88 23:6
24:2 31:7 35:6 38:9 40:1 41:186
42:15 44:6 45:37 46:5 47:1 49:6
50:2 52:1 58:12 59:20 60:4 61:3
62:11 63:33 64:52 65:1 66:33 67:41
68:8 69:19 70:2 71:1 72:7 74:50
76:40 77:8 78:3 79:10 80:17 81:25
82:6 83:6 84:8 85:42 86:4 87:1
89:10 91:47 92:2 93:4 94:4 95:1
96:5 97:1 98:2 101:4 103:238 104:77
108:8 109:9 110:2 111:15 114:23 116:6
117:61 118:33 119:21 121:30 122:8 123:8
124:39 125:4 128:87 129:37 130:87 131:58
132:52 133:157 134:99 136:198 137:59 138:9
139:6 140:35 141:1 142:39 143:22 144:23
145:1 146:131 147:54 148:192 149:12 150:130
151:10 152:144 153:14 154:24 155:55 156:69
157:33 158:35 159:115 160:27 161:20 162:19
163:65 164:10 165:51 166:1 167:13 168:125
169:7 170:62 171:1 172:3 173:7 175:19
176:8 177:9 179:12 180:15 181:1 182:1
184:3 185:46 186:3 187:17 188:13 189:3
190:18 191:36 192:1411 193:307 194:144 195:85
196:141 197:300 198:460 199:245 200:258 201:38
202:625 203:427 204:337 205:124 206:180 207:161
208:67 209:112 210:186 211:17 212:164 213:5
216:83 217:10 218:22 219:12 220:15 222:6
223:14
End of report
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