[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 16 18:50:42 UTC 2024
IPv4 R&E Routing Table Report 18:50 GMT Tue 16 Jul, 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: 9178
Prefixes after maximum aggregation (per Origin AS): 4542
Deaggregation factor: 2.02
Unique aggregates announced (without unneeded subnets): 5263
Number of IPv4 prefixes with a valid ROA: 2747
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 6428
Total ASes present in the Internet Routing Table: 1478
Prefixes per ASN: 6.21
Origin-only ASes present in the Internet Routing Table: 1259
Origin ASes announcing only one prefix: 521
Transit ASes present in the Internet Routing Table: 219
Transit-only ASes present in the Internet Routing Table: 64
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: 17
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 44979
Number of 32-bit ASNs visible in the Routing Table: 334
Prefixes from 32-bit ASNs in the Routing Table: 986
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: 83680512
Equivalent to 4 /8s, 252 /16s and 221 /24s
Percentage of available address space announced: 2.3
Percentage of allocated address space announced: 2.3
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: 1431
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1020
Total APNIC prefixes after maximum aggregation: 623
APNIC Deaggregation factor: 1.64
Prefixes being announced from the APNIC address blocks: 1016
Unique aggregates announced from the APNIC address blocks: 825
APNIC Region origin ASes present in the Internet Routing Table: 237
APNIC Prefixes per ASN: 4.29
APNIC Region origin ASes announcing only one prefix: 104
APNIC Region transit ASes present in the Internet Routing Table: 36
Average APNIC Region AS path length visible: 6.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 104
Number of APNIC addresses announced to Internet: 5467136
Equivalent to 0 /8s, 83 /16s and 108 /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: 5733
Total ARIN prefixes after maximum aggregation: 3090
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 5738
Unique aggregates announced from the ARIN address blocks: 3372
ARIN Region origin ASes present in the Internet Routing Table: 939
ARIN Prefixes per ASN: 6.11
ARIN Region origin ASes announcing only one prefix: 334
ARIN Region transit ASes present in the Internet Routing Table: 126
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 72121088
Equivalent to 4 /8s, 76 /16s and 123 /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, 393216-402332
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: 449
Total RIPE prefixes after maximum aggregation: 252
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 446
Unique aggregates announced from the RIPE address blocks: 276
RIPE Region origin ASes present in the Internet Routing Table: 90
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 35
RIPE Region transit ASes present in the Internet Routing Table: 14
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 16
Number of RIPE addresses announced to Internet: 542720
Equivalent to 0 /8s, 8 /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: 1050
Total LACNIC prefixes after maximum aggregation: 446
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1050
Unique aggregates announced from the LACNIC address blocks: 577
LACNIC Region origin ASes present in the Internet Routing Table: 141
LACNIC Prefixes per ASN: 7.45
LACNIC Region origin ASes announcing only one prefix: 46
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.4
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 54
Number of LACNIC addresses announced to Internet: 3906560
Equivalent to 0 /8s, 59 /16s and 156 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 925
Total AfriNIC prefixes after maximum aggregation: 130
AfriNIC Deaggregation factor: 7.12
Prefixes being announced from the AfriNIC address blocks: 925
Unique aggregates announced from the AfriNIC address blocks: 211
AfriNIC Region origin ASes present in the Internet Routing Table: 6
AfriNIC Prefixes per ASN: 154.17
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: 1.8
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: 1634816
Equivalent to 0 /8s, 24 /16s and 242 /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
2697 52 3 31 ERX-ERNET-AS Education and Research Netwo
132524 44 9 11 TIFR-AS Tata Institute of Fundamental Res
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast
9568 32 2 4 KIMM-AS-KR KOREA INSTITUTE OF MACHINERY M
24363 28 21 15 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong
3363 24 19 7 HKUST-AS-HK Hong Kong University of Scien
7650 24 4 9 EDUHK-AS-AP The Education University of H
24348 20 98 16 CNGI-BJ-IX2-AS-AP CERNET2 IX at Tsinghua
24364 20 176 9 CNGI-SH-IX-AS-AP CERNET2 IX at Shanghai J
55824 20 1 18 NKN-CORE-NW NKN Core Network, IN
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
2920 176 34 7 LACOE, US
2152 149 507 95 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 96 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
237 85 543 51 MERIT-AS-14, US
1736 79 16 1 MU-AS, US
3477 71 63 39 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
8895 136 24 5 ISU Internet Services Unit ISU, SA
3267 76 26 66 RUNNET, RU
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
47862 12 1 4 ANKABUT, AE
29384 11 3 8 QATAR-FOUNDATION, QA
2895 8 3 8 FREE-NET-AS FREEnet, RU
5480 8 1 8 R61NET Network of educational, scientific
42289 7 2 3 ITMO-AS ITMO, RU
5386 6 3 2 COSMOS-SN-AS SpaceNet, RU
57867 6 0 4 REA-AS, 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 153 10 67 Universidad Juarez Autonoma de Tabasco, M
1916 81 176 42 Rede Nacional de Ensino e Pesquisa, BR
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
278 24 32 4 Universidad Nacional Autonoma de Mexico,
21612 23 16 1 FUNDACAO INSTITUTO OSWALDO CRUZ, 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 536 80 54 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
328225 3 0 1 Strathmore-University, KE
327945 2 0 2 ILRI, KE
6149 1 0 1 TENET-2, ZA
329418 1 0 1 International-Centre-Research-Agroforestr
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
36914 536 80 54 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
5786 199 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
2152 149 507 95 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
8895 136 24 5 ISU Internet Services Unit ISU, SA
81 133 517 33 NCREN, US
23024 96 7 21 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2018 382 311 TENET-1, ZA
5786 199 198 UPRENET, PR
2920 176 169 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
81 133 100 NCREN, US
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
1736 79 78 MU-AS, US
23024 96 75 OCDE, US
21976 87 70 NJEDGE-NET, US
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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /10:1 /11:0 /12:0
/13:3 /14:8 /15:17 /16:814 /17:270 /18:287
/19:313 /20:493 /21:399 /22:610 /23:698 /24:5264
/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 519 536 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
23024 38 96 OCDE, US
32440 36 62 LONI, US
3267 35 76 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 30 44 HCCS, US
26898 24 32 LNOCA-ORG, US
36794 24 26 SCOCA, US
1968 22 30 UMASSNET-AS1968, US
Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 8:2 12:1 14:20 23:3 24:1
35:3 38:9 41:185 44:1 45:27 47:1
49:8 50:3 59:1 61:1 62:3 63:4
64:18 65:1 66:24 67:41 68:2 69:19
70:2 72:7 74:15 76:41 77:3 80:5
81:1 82:4 83:1 84:1 85:17 86:5
91:9 92:2 97:1 98:2 102:1 103:138
104:75 108:2 109:7 118:1 121:10 128:27
129:28 130:88 131:27 132:58 133:1 134:64
136:198 137:35 138:49 139:4 140:33 141:3
142:2 143:12 144:22 146:21 147:25 148:187
149:11 150:26 151:7 152:131 153:3 154:23
155:59 156:127 157:17 158:31 159:20 160:4
161:11 162:13 163:47 164:14 165:10 166:1
167:6 168:113 169:6 170:87 171:1 172:2
173:7 175:29 176:8 177:6 179:13 180:8
182:1 184:1 185:7 186:3 187:17 188:2
189:3 190:1 191:4 192:516 193:14 194:29
195:5 196:137 197:325 198:260 199:110 200:185
201:34 202:162 203:78 204:304 205:51 206:79
207:126 208:63 209:82 210:39 212:123 213:2
216:41 219:1 220:4 222:1
End of report
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