[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Feb 26 18:45:30 UTC 2022
IPv4 R&E Routing Table Report 18:45 GMT Sat 26 Feb, 2022
BGP Table (R&E) as seen at TENET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/TENET/
Analysis Summary
----------------
BGP routing table entries examined: 15935
Prefixes after maximum aggregation (per Origin AS): 8300
Deaggregation factor: 1.92
Unique aggregates announced (without unneeded subnets): 9756
Number of IPv4 prefixes with a valid ROA: 2507
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 13412
Total ASes present in the Internet Routing Table: 2260
Prefixes per ASN: 7.05
Origin-only ASes present in the Internet Routing Table: 1963
Origin ASes announcing only one prefix: 864
Transit ASes present in the Internet Routing Table: 297
Transit-only ASes present in the Internet Routing Table: 43
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 38664
Number of 32-bit ASNs visible in the Routing Table: 507
Prefixes from 32-bit ASNs in the Routing Table: 1492
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 145740544
Equivalent to 8 /8s, 175 /16s and 211 /24s
Percentage of available address space announced: 3.9
Percentage of allocated address space announced: 3.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 1580
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4355
Total APNIC prefixes after maximum aggregation: 2129
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4356
Unique aggregates announced from the APNIC address blocks: 2592
APNIC Region origin ASes present in the Internet Routing Table: 563
APNIC Prefixes per ASN: 7.74
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 29007104
Equivalent to 1 /8s, 186 /16s and 157 /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: 8329
Total ARIN prefixes after maximum aggregation: 4766
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 8340
Unique aggregates announced from the ARIN address blocks: 5442
ARIN Region origin ASes present in the Internet Routing Table: 1237
ARIN Prefixes per ASN: 6.74
ARIN Region origin ASes announcing only one prefix: 445
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 170
Number of ARIN addresses announced to Internet: 96670976
Equivalent to 5 /8s, 195 /16s and 21 /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: 908
Total RIPE prefixes after maximum aggregation: 626
RIPE Deaggregation factor: 1.45
Prefixes being announced from the RIPE address blocks: 897
Unique aggregates announced from the RIPE address blocks: 616
RIPE Region origin ASes present in the Internet Routing Table: 210
RIPE Prefixes per ASN: 4.27
RIPE Region origin ASes announcing only one prefix: 96
RIPE Region transit ASes present in the Internet Routing Table: 32
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 29
Number of RIPE addresses announced to Internet: 13389824
Equivalent to 0 /8s, 204 /16s and 80 /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: 1495
Total LACNIC prefixes after maximum aggregation: 613
LACNIC Deaggregation factor: 2.44
Prefixes being announced from the LACNIC address blocks: 1496
Unique aggregates announced from the LACNIC address blocks: 840
LACNIC Region origin ASes present in the Internet Routing Table: 177
LACNIC Prefixes per ASN: 8.45
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 72
Number of LACNIC addresses announced to Internet: 4175360
Equivalent to 0 /8s, 63 /16s and 182 /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: 844
Total AfriNIC prefixes after maximum aggregation: 162
AfriNIC Deaggregation factor: 5.21
Prefixes being announced from the AfriNIC address blocks: 844
Unique aggregates announced from the AfriNIC address blocks: 264
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 32.46
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2496768
Equivalent to 0 /8s, 38 /16s and 25 /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 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
58647 167 18 2 KAGAWAU-AS Kagawa University, JP
55824 130 19 23 NKN-CORE-NW NKN Core Network, IN
4621 79 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
2697 54 3 32 ERX-ERNET-AS Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 251 51 7 NU-AS, US
668 210 702 179 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 150 507 91 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8895 143 24 4 ISU Internet Services Unit ISU, SA
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
1653 51 167 48 SUNET SUNET Swedish University Network,
1741 40 165 19 FUNETAS, FI
288 26 5 26 ESA Robert Bosch Strasse 5, DE
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
3267 21 67 17 RUNNET, RU
8674 16 2 11 NETNOD-IX Netnod Internet Exchange Sver
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
1101 13 481 13 IP-EEND-AS IP-EEND BV, NL
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 174 208 45 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 351 319 74 TENET-1, ZA
36914 200 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 351 319 74 TENET-1, ZA
7896 251 51 7 NU-AS, US
668 210 702 179 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
36914 200 82 3 KENET-AS, KE
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 351 277 TENET-1, ZA
7896 251 244 NU-AS, US
5786 200 199 UPRENET, PR
36914 200 197 KENET-AS, KE
58647 167 165 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
18558 136 132 NETBLK-RCOEK, US
1916 174 129 Rede Nacional de Ensino e Pesquisa, BR
55824 130 107 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/TENET/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
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/TENET/data-spar
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
Complete listing at https://bgp.nsrc.org/REN/TENET/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 /12:3
/13:5 /14:16 /15:45 /16:1435 /17:345 /18:389
/19:471 /20:730 /21:703 /22:1150 /23:1311 /24:9328
/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 187 200 KENET-AS, KE
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 4:2 6:4 8:2 12:1 14:85
18:42 23:11 24:3 35:2 38:9 40:1
41:116 42:4 44:3 45:38 47:1 49:10
50:4 52:1 59:19 60:4 61:3 62:2
63:38 64:52 65:4 66:50 67:44 68:9
69:19 70:2 71:1 72:10 74:20 76:33
77:4 80:7 81:1 82:3 84:1 85:13
86:4 87:1 89:2 91:15 92:1 93:1
95:1 96:5 97:1 98:2 101:6 102:6
103:326 104:76 106:1 107:16 108:11 109:7
110:3 111:20 112:4 114:23 116:5 117:61
118:32 119:22 121:17 122:8 123:8 124:39
125:4 128:78 129:170 130:90 131:82 132:58
133:141 134:96 136:192 137:79 138:8 139:5
140:48 141:3 142:42 143:33 144:52 146:128
147:56 148:186 149:13 150:39 151:12 152:76
153:1 154:23 155:51 156:66 157:26 158:42
159:115 160:25 161:38 162:25 163:66 164:43
165:65 166:1 167:16 168:162 169:10 170:70
171:1 172:2 173:7 175:30 176:8 177:12
179:11 180:20 181:16 182:6 184:3 185:12
186:3 187:19 188:3 189:5 190:49 191:33
192:1071 193:82 194:52 195:52 196:151 197:108
198:506 199:283 200:234 201:39 202:598 203:423
204:331 205:175 206:198 207:170 208:70 209:121
210:184 211:13 212:136 213:2 214:7 216:86
217:1 218:25 219:6 220:18 222:2 223:3
End of report
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