[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Aug 20 18:50:40 UTC 2023
IPv4 R&E Routing Table Report 18:50 GMT Sun 20 Aug, 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): 9445
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 10397
Number of IPv4 prefixes with a valid ROA: 4953
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 12181
Total ASes present in the Internet Routing Table: 2523
Prefixes per ASN: 6.79
Origin-only ASes present in the Internet Routing Table: 2159
Origin ASes announcing only one prefix: 955
Transit ASes present in the Internet Routing Table: 364
Transit-only ASes present in the Internet Routing Table: 79
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: 16
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: 42488
Number of 32-bit ASNs visible in the Routing Table: 574
Prefixes from 32-bit ASNs in the Routing Table: 1578
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: 195120128
Equivalent to 11 /8s, 161 /16s and 76 /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: 2112
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4678
Total APNIC prefixes after maximum aggregation: 2262
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4678
Unique aggregates announced from the APNIC address blocks: 2588
APNIC Region origin ASes present in the Internet Routing Table: 533
APNIC Prefixes per ASN: 8.78
APNIC Region origin ASes announcing only one prefix: 222
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 201
Number of APNIC addresses announced to Internet: 45758976
Equivalent to 2 /8s, 186 /16s and 58 /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: 6460
Total ARIN prefixes after maximum aggregation: 3611
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 6474
Unique aggregates announced from the ARIN address blocks: 3912
ARIN Region origin ASes present in the Internet Routing Table: 1052
ARIN Prefixes per ASN: 6.15
ARIN Region origin ASes announcing only one prefix: 369
ARIN Region transit ASes present in the Internet Routing Table: 146
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: 160
Number of ARIN addresses announced to Internet: 85494528
Equivalent to 5 /8s, 24 /16s and 139 /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: 3591
Total RIPE prefixes after maximum aggregation: 2863
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3580
Unique aggregates announced from the RIPE address blocks: 2896
RIPE Region origin ASes present in the Internet Routing Table: 685
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 108
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: 143
Number of RIPE addresses announced to Internet: 57917952
Equivalent to 3 /8s, 115 /16s and 194 /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: 1455
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1453
Unique aggregates announced from the LACNIC address blocks: 776
LACNIC Region origin ASes present in the Internet Routing Table: 163
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: 27
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4216832
Equivalent to 0 /8s, 64 /16s and 88 /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: 954
Total AfriNIC prefixes after maximum aggregation: 138
AfriNIC Deaggregation factor: 6.91
Prefixes being announced from the AfriNIC address blocks: 954
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 9
AfriNIC Prefixes per ASN: 106.00
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: 2.0
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: 1731328
Equivalent to 0 /8s, 26 /16s and 107 /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 593 2163 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
4538 202 4193 75 ERX-CERNET-BKB China Education and Rese
1237 191 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
55824 125 18 17 NKN-CORE-NW NKN Core Network, IN
4621 69 37 9 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 61 4 1 MAHIDOL-BORDER-AS Mahidol 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
5786 197 16 1 UPRENET, PR
2152 140 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 82 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
3477 72 63 42 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 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 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 64 599 59 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 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 100 24 47 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 49 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 34 4 3 Universidad Autonoma Metropolitana, MX
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 516 80 51 KENET-AS, KE
2018 369 319 71 TENET-1, ZA
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
30983 4 4 1 MARWAN-AS, MA
327945 4 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 593 2163 465 SINET-AS Research Organization of Infor
36914 516 80 51 KENET-AS, KE
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 369 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
4538 202 4193 75 ERX-CERNET-BKB China Education and Rese
5786 197 16 1 UPRENET, PR
1237 191 74 139 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 516 465 KENET-AS, KE
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 369 298 TENET-1, ZA
5786 197 196 UPRENET, PR
1916 221 179 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
18558 136 132 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
4538 202 127 ERX-CERNET-BKB China Education and Research Net
55824 125 108 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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /16:1882 /17:398 /18:387
/19:521 /20:789 /21:786 /22:1366 /23:1419 /24:9404
/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 497 516 KENET-AS, KE
8895 131 136 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
200521 32 55 SEAP-AGE, ES
25977 30 44 HCCS, US
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 14:89 23:5
24:3 31:7 35:2 38:7 40:1 41:186
42:16 44:6 45:40 46:5 47:1 49:9
50:1 52:1 58:12 59:20 60:4 61:3
62:10 63:33 64:50 65:1 66:34 67:41
68:8 69:19 70:2 71:1 72:7 74:50
76:40 77:9 78:3 79:10 80:13 81:26
82:7 83:6 84:8 85:41 86:10 87:1
89:10 91:49 92:2 93:4 94:4 95:2
97:1 98:2 101:5 103:259 104:79 108:8
109:9 110:1 111:15 114:23 116:6 117:61
118:33 119:18 121:29 122:8 123:8 124:39
125:4 128:85 129:41 130:85 131:42 132:53
133:152 134:96 136:196 137:52 138:9 139:4
140:37 141:1 143:14 144:23 145:2 146:127
147:55 148:192 149:12 150:43 151:11 152:137
153:14 154:23 155:63 156:69 157:18 158:37
159:114 160:29 161:24 162:19 163:76 164:10
165:46 166:1 167:9 168:123 169:8 170:68
171:1 172:3 173:5 175:26 176:8 177:5
179:12 180:15 181:1 182:1 184:6 185:55
186:3 187:17 188:13 189:3 190:19 191:13
192:1317 193:297 194:143 195:87 196:141 197:302
198:329 199:149 200:340 201:38 202:627 203:428
204:303 205:52 206:105 207:100 208:63 209:93
210:190 211:14 212:168 213:5 216:64 217:10
218:22 219:11 220:16 222:3 223:14
End of report
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