[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jan 6 18:50:44 UTC 2023
IPv4 R&E Routing Table Report 18:50 GMT Fri 06 Jan, 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: 16945
Prefixes after maximum aggregation (per Origin AS): 9425
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 10492
Number of IPv4 prefixes with a valid ROA: 4156
Number of IPv4 prefixes with an invalid ROA: 14
Number of IPv4 prefixes with no ROA: 12775
Total ASes present in the Internet Routing Table: 2506
Prefixes per ASN: 6.76
Origin-only ASes present in the Internet Routing Table: 2162
Origin ASes announcing only one prefix: 977
Transit ASes present in the Internet Routing Table: 344
Transit-only ASes present in the Internet Routing Table: 61
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: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41026
Number of 32-bit ASNs visible in the Routing Table: 577
Prefixes from 32-bit ASNs in the Routing Table: 1540
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: 195380480
Equivalent to 11 /8s, 165 /16s and 69 /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: 2071
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4665
Total APNIC prefixes after maximum aggregation: 2290
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4666
Unique aggregates announced from the APNIC address blocks: 2623
APNIC Region origin ASes present in the Internet Routing Table: 580
APNIC Prefixes per ASN: 8.04
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 63
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: 226
Number of APNIC addresses announced to Internet: 45970688
Equivalent to 2 /8s, 189 /16s and 117 /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: 6573
Total ARIN prefixes after maximum aggregation: 3664
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 6589
Unique aggregates announced from the ARIN address blocks: 4034
ARIN Region origin ASes present in the Internet Routing Table: 1053
ARIN Prefixes per ASN: 6.26
ARIN Region origin ASes announcing only one prefix: 376
ARIN Region transit ASes present in the Internet Routing Table: 141
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: 156
Number of ARIN addresses announced to Internet: 85889536
Equivalent to 5 /8s, 30 /16s and 146 /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: 3501
Total RIPE prefixes after maximum aggregation: 2806
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3491
Unique aggregates announced from the RIPE address blocks: 2857
RIPE Region origin ASes present in the Internet Routing Table: 667
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 296
RIPE Region transit ASes present in the Internet Routing Table: 100
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: 136
Number of RIPE addresses announced to Internet: 57748480
Equivalent to 3 /8s, 113 /16s and 44 /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: 1221
Total LACNIC prefixes after maximum aggregation: 500
LACNIC Deaggregation factor: 2.44
Prefixes being announced from the LACNIC address blocks: 1218
Unique aggregates announced from the LACNIC address blocks: 708
LACNIC Region origin ASes present in the Internet Routing Table: 130
LACNIC Prefixes per ASN: 9.37
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 56
Number of LACNIC addresses announced to Internet: 4019968
Equivalent to 0 /8s, 61 /16s and 87 /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: 980
Total AfriNIC prefixes after maximum aggregation: 160
AfriNIC Deaggregation factor: 6.12
Prefixes being announced from the AfriNIC address blocks: 980
Unique aggregates announced from the AfriNIC address blocks: 269
AfriNIC Region origin ASes present in the Internet Routing Table: 10
AfriNIC Prefixes per ASN: 98.00
AfriNIC Region origin ASes announcing only one prefix: 1
AfriNIC Region transit ASes present in the Internet Routing Table: 5
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: 1751552
Equivalent to 0 /8s, 26 /16s and 186 /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 581 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 186 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 118 AARNET-AS-AP Australian Academic and Re
55824 113 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 147 507 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, 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 81 16 1 MU-AS, US
3 78 496 15 MIT-GATEWAYS, 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
680 278 1934 247 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 134 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 95 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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 157 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 97 24 55 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 15 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
28614 36 2 2 Fundacao Universidade Regional de Blume
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 472 81 37 KENET-AS, KE
2018 372 319 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
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 581 2157 462 SINET-AS Research Organization of Infor
36914 472 81 37 KENET-AS, KE
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 372 319 72 TENET-1, ZA
680 278 1934 247 DFN Verein zur Foerderung eines Deutsch
5786 199 16 1 UPRENET, PR
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
1237 186 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
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 472 435 KENET-AS, KE
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 372 300 TENET-1, ZA
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 134 130 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 191 118 ERX-CERNET-BKB China Education and Research Net
1916 157 114 Rede Nacional de Ensino e Pesquisa, BR
55824 113 102 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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, 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 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 /16:1882 /17:394 /18:402
/19:513 /20:789 /21:788 /22:1259 /23:1434 /24:9295
/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 452 472 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 34 49 LONI, US
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
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 14:84 18:43
23:5 24:2 31:7 35:4 38:7 40:1
41:185 42:15 44:5 45:32 46:5 47:1
49:10 50:2 52:1 58:12 59:21 60:4
61:3 62:10 63:33 64:56 65:1 66:30
67:41 68:8 69:21 70:2 71:1 72:7
74:50 76:37 77:8 78:3 79:10 80:17
81:28 82:8 83:6 84:5 85:42 86:5
87:1 89:10 91:46 92:1 93:4 94:4
95:3 97:2 98:2 101:8 102:1 103:312
104:71 108:8 109:10 110:2 111:15 114:23
116:6 117:61 118:33 119:22 121:28 122:8
123:8 124:39 125:4 128:84 129:37 130:87
131:47 132:54 133:149 134:91 136:199 137:56
138:9 139:5 140:41 141:1 143:23 144:23
145:1 146:129 147:55 148:192 149:12 150:130
151:7 152:71 153:14 154:22 155:52 156:68
157:29 158:37 159:115 160:26 161:19 162:19
163:66 164:10 165:51 166:1 167:12 168:104
169:10 170:10 171:1 172:2 173:7 175:31
176:8 177:10 179:9 180:17 181:1 182:1
184:3 185:43 186:3 187:17 188:13 189:3
190:18 191:36 192:1319 193:341 194:145 195:87
196:136 197:257 198:334 199:149 200:184 201:36
202:634 203:423 204:299 205:55 206:103 207:101
208:64 209:98 210:182 211:14 212:165 213:5
216:66 217:11 218:22 219:12 220:15 222:6
223:11
End of report
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