[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Mar 31 18:50:46 UTC 2023
IPv4 R&E Routing Table Report 18:50 GMT Fri 31 Mar, 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: 17141
Prefixes after maximum aggregation (per Origin AS): 9433
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 10493
Number of IPv4 prefixes with a valid ROA: 4434
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 12702
Total ASes present in the Internet Routing Table: 2516
Prefixes per ASN: 6.81
Origin-only ASes present in the Internet Routing Table: 2164
Origin ASes announcing only one prefix: 974
Transit ASes present in the Internet Routing Table: 352
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 ( 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: 41570
Number of 32-bit ASNs visible in the Routing Table: 586
Prefixes from 32-bit ASNs in the Routing Table: 1538
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: 195007232
Equivalent to 11 /8s, 159 /16s and 147 /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: 2064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4654
Total APNIC prefixes after maximum aggregation: 2292
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4655
Unique aggregates announced from the APNIC address blocks: 2614
APNIC Region origin ASes present in the Internet Routing Table: 574
APNIC Prefixes per ASN: 8.11
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 61
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: 223
Number of APNIC addresses announced to Internet: 45817856
Equivalent to 2 /8s, 187 /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: 6602
Total ARIN prefixes after maximum aggregation: 3656
ARIN Deaggregation factor: 1.81
Prefixes being announced from the ARIN address blocks: 6616
Unique aggregates announced from the ARIN address blocks: 4020
ARIN Region origin ASes present in the Internet Routing Table: 1055
ARIN Prefixes per ASN: 6.27
ARIN Region origin ASes announcing only one prefix: 375
ARIN Region transit ASes present in the Internet Routing Table: 144
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 159
Number of ARIN addresses announced to Internet: 85751040
Equivalent to 5 /8s, 28 /16s and 117 /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: 3454
Total RIPE prefixes after maximum aggregation: 2764
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3444
Unique aggregates announced from the RIPE address blocks: 2812
RIPE Region origin ASes present in the Internet Routing Table: 653
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 294
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 138
Number of RIPE addresses announced to Internet: 57683712
Equivalent to 3 /8s, 112 /16s and 47 /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: 1421
Total LACNIC prefixes after maximum aggregation: 555
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1418
Unique aggregates announced from the LACNIC address blocks: 777
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 9.21
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4002816
Equivalent to 0 /8s, 61 /16s and 20 /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: 1007
Total AfriNIC prefixes after maximum aggregation: 163
AfriNIC Deaggregation factor: 6.18
Prefixes being announced from the AfriNIC address blocks: 1006
Unique aggregates announced from the AfriNIC address blocks: 268
AfriNIC Region origin ASes present in the Internet Routing Table: 11
AfriNIC Prefixes per ASN: 91.45
AfriNIC Region origin ASes announcing only one prefix: 2
AfriNIC Region transit ASes present in the Internet Routing Table: 6
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: 1751040
Equivalent to 0 /8s, 26 /16s and 184 /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 594 2158 464 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 189 74 139 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
5786 199 16 1 UPRENET, PR
2152 150 507 92 CSUNET-NW, US
18558 139 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
1736 79 16 1 MU-AS, 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 137 24 5 ISU Internet Services Unit ISU, SA
559 111 533 103 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 73 449 73 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 221 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 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 487 81 39 KENET-AS, KE
2018 383 319 72 TENET-1, ZA
2561 67 4 34 EUN, EG
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
30983 4 4 1 MARWAN-AS, MA
327945 3 0 2 ILRI, KE
328225 3 0 1 Strathmore-University, KE
328762 2 0 2 Mansoora-University, EG
6149 1 0 1 TENET-2, ZA
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 594 2158 464 SINET-AS Research Organization of Infor
36914 487 81 39 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
1916 221 208 43 Rede Nacional de Ensino e Pesquisa, BR
5786 199 16 1 UPRENET, PR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 189 74 139 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 487 448 KENET-AS, KE
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 383 311 TENET-1, ZA
5786 199 198 UPRENET, PR
1916 221 178 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
18558 139 135 NETBLK-RCOEK, US
8895 137 132 ISU Internet Services Unit ISU, SA
4538 192 119 ERX-CERNET-BKB China Education and Research Net
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
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 /16:1878 /17:392 /18:400
/19:509 /20:792 /21:793 /22:1284 /23:1430 /24:9474
/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 467 487 KENET-AS, KE
8895 132 137 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
200521 30 53 SEAP-AGE, ES
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 23:5
24:2 31:7 35:6 38:7 40:1 41:182
42:15 44:5 45:34 46:5 47:1 49:6
52:1 58:12 59:21 60:4 61:3 62:7
63:33 64:52 65:1 66:31 67:42 68:8
69:19 70:2 71:1 72:7 74:50 76:42
77:7 78:3 79:10 80:17 81:27 82:6
83:6 84:5 85:42 86:3 87:1 89:10
91:47 92:2 93:4 94:4 95:1 97:1
98:2 101:8 102:1 103:298 104:80 108:8
109:10 110:2 111:15 114:23 116:6 117:61
118:33 119:21 121:29 122:8 123:8 124:39
125:4 128:84 129:38 130:86 131:43 132:45
133:159 134:93 136:199 137:58 138:9 139:5
140:38 141:1 143:22 144:23 145:1 146:133
147:53 148:192 149:12 150:130 151:9 152:144
153:14 154:24 155:55 156:69 157:33 158:36
159:114 160:27 161:20 162:19 163:66 164:10
165:51 166:1 167:12 168:117 169:8 170:62
171:1 172:3 173:7 175:31 176:8 177:9
179:10 180:15 181:1 182:1 184:3 185:39
186:3 187:17 188:13 189:3 190:18 191:36
192:1294 193:338 194:144 195:90 196:141 197:276
198:333 199:142 200:273 201:38 202:638 203:429
204:306 205:55 206:100 207:98 208:65 209:93
210:183 211:17 212:167 213:5 216:64 217:10
218:22 219:12 220:15 222:6 223:15
End of report
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