[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jan 7 18:51:23 UTC 2024
IPv4 R&E Routing Table Report 18:50 GMT Sun 07 Jan, 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: 17589
Prefixes after maximum aggregation (per Origin AS): 9900
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 10982
Number of IPv4 prefixes with a valid ROA: 5438
Number of IPv4 prefixes with an invalid ROA: 6
Number of IPv4 prefixes with no ROA: 12145
Total ASes present in the Internet Routing Table: 2562
Prefixes per ASN: 6.87
Origin-only ASes present in the Internet Routing Table: 2223
Origin ASes announcing only one prefix: 994
Transit ASes present in the Internet Routing Table: 339
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.6
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 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: 43336
Number of 32-bit ASNs visible in the Routing Table: 603
Prefixes from 32-bit ASNs in the Routing Table: 1707
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: 1
Number of addresses announced to Internet: 194593536
Equivalent to 11 /8s, 153 /16s and 67 /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: 1893
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4620
Total APNIC prefixes after maximum aggregation: 2249
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4620
Unique aggregates announced from the APNIC address blocks: 2556
APNIC Region origin ASes present in the Internet Routing Table: 535
APNIC Prefixes per ASN: 8.64
APNIC Region origin ASes announcing only one prefix: 234
APNIC Region transit ASes present in the Internet Routing Table: 54
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 208
Number of APNIC addresses announced to Internet: 45476864
Equivalent to 2 /8s, 181 /16s and 236 /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: 7440
Total ARIN prefixes after maximum aggregation: 4281
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7467
Unique aggregates announced from the ARIN address blocks: 4757
ARIN Region origin ASes present in the Internet Routing Table: 1195
ARIN Prefixes per ASN: 6.25
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 149
Average ARIN Region AS path length visible: 6.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 189
Number of ARIN addresses announced to Internet: 86216960
Equivalent to 5 /8s, 35 /16s and 145 /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: 3153
Total RIPE prefixes after maximum aggregation: 2654
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3139
Unique aggregates announced from the RIPE address blocks: 2691
RIPE Region origin ASes present in the Internet Routing Table: 596
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 271
RIPE Region transit ASes present in the Internet Routing Table: 92
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: 133
Number of RIPE addresses announced to Internet: 57098752
Equivalent to 3 /8s, 103 /16s and 66 /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: 1429
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1426
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.54
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 6.7
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71
Number of LACNIC addresses announced to Internet: 4088320
Equivalent to 0 /8s, 62 /16s and 98 /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: 936
Total AfriNIC prefixes after maximum aggregation: 138
AfriNIC Deaggregation factor: 6.78
Prefixes being announced from the AfriNIC address blocks: 936
Unique aggregates announced from the AfriNIC address blocks: 214
AfriNIC Region origin ASes present in the Internet Routing Table: 7
AfriNIC Prefixes per ASN: 133.71
AfriNIC Region origin ASes announcing only one prefix: 2
AfriNIC Region transit ASes present in the Internet Routing Table: 3
Average AfriNIC Region AS path length visible: 1.9
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 2
Number of AfriNIC addresses announced to Internet: 1712384
Equivalent to 0 /8s, 26 /16s and 33 /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 591 2162 464 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 182 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 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
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 145 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
23024 109 7 22 OCDE, US
2920 102 34 7 LACOE, US
21976 80 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
3477 72 63 41 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 77 462 77 BELWUE BelWue-Koordination, DE
2200 63 598 58 FR-RENATER Reseau National de telecommu
200521 51 4 22 SEAP-AGE, ES
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 106 24 50 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 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
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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 521 80 53 KENET-AS, KE
2018 382 319 71 TENET-1, ZA
6879 24 2 9 ENSTINET-, EG
327945 4 0 2 ILRI, KE
328225 3 0 1 Strathmore-University, KE
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 591 2162 464 SINET-AS Research Organization of Infor
36914 521 80 53 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 193 74 142 KREONET-AS-KR KISTI, KR
786 185 1767 182 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 521 468 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 210 168 Rede Nacional de Ensino e Pesquisa, BR
18558 141 137 NETBLK-RCOEK, US
55824 127 110 NKN-CORE-NW NKN Core Network, IN
4538 182 107 ERX-CERNET-BKB China Education and Research Net
81 126 96 NCREN, 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
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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
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 /10:1 /11:1 /12:10
/13:19 /14:33 /15:120 /16:1921 /17:402 /18:422
/19:535 /20:791 /21:799 /22:1395 /23:1424 /24:9715
/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 503 521 KENET-AS, KE
23024 52 109 OCDE, US
32440 38 62 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
200521 30 51 SEAP-AGE, ES
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
30220 25 26 SWWC-SERVICE-COOPERATIVE, 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 23:5
24:3 31:7 35:6 38:8 40:1 41:177
42:16 44:7 45:37 46:5 47:1 49:9
50:1 52:1 58:11 59:20 60:5 61:3
62:6 63:32 64:48 65:1 66:39 67:41
68:10 69:17 70:2 71:1 72:7 74:51
76:41 77:8 78:3 79:10 80:9 81:24
82:3 83:6 84:5 85:24 86:3 87:1
89:10 91:40 93:4 94:4 95:2 96:5
97:1 98:2 101:5 103:268 104:73 108:8
109:5 111:15 114:23 116:8 117:61 118:33
119:18 121:28 122:8 123:8 124:40 125:5
128:84 129:39 130:83 131:64 132:52 133:155
134:106 136:196 137:61 138:57 139:5 140:35
141:3 142:38 143:16 144:23 145:2 146:132
147:53 148:193 149:12 150:44 151:12 152:132
153:14 154:22 155:63 156:68 157:18 158:32
159:115 160:30 161:15 162:20 163:77 164:13
165:47 166:1 167:13 168:119 169:7 170:85
172:3 173:7 175:18 176:8 177:6 179:12
180:15 181:1 182:1 184:2 185:43 186:3
187:17 188:12 189:3 190:18 191:13 192:1321
193:259 194:120 195:68 196:140 197:319 198:426
199:243 200:323 201:37 202:620 203:421 204:346
205:125 206:184 207:143 208:72 209:110 210:193
211:15 212:41 213:2 216:82 217:9 218:22
219:6 220:15 222:3 223:14
End of report
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