[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Jul 18 18:45:41 UTC 2022
IPv4 R&E Routing Table Report 18:45 GMT Mon 18 Jul, 2022
IPv4 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: 16074
Prefixes after maximum aggregation (per Origin AS): 8529
Deaggregation factor: 1.88
Unique aggregates announced (without unneeded subnets): 9751
Number of IPv4 prefixes with a valid ROA: 2842
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 13212
Total ASes present in the Internet Routing Table: 2292
Prefixes per ASN: 7.01
Origin-only ASes present in the Internet Routing Table: 1980
Origin ASes announcing only one prefix: 862
Transit ASes present in the Internet Routing Table: 312
Transit-only ASes present in the Internet Routing Table: 58
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 17
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 39818
Number of 32-bit ASNs visible in the Routing Table: 516
Prefixes from 32-bit ASNs in the Routing Table: 1537
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: 162792960
Equivalent to 9 /8s, 180 /16s and 6 /24s
Percentage of available address space announced: 4.4
Percentage of allocated address space announced: 4.4
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: 1620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4645
Total APNIC prefixes after maximum aggregation: 2300
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4646
Unique aggregates announced from the APNIC address blocks: 2611
APNIC Region origin ASes present in the Internet Routing Table: 586
APNIC Prefixes per ASN: 7.93
APNIC Region origin ASes announcing only one prefix: 258
APNIC Region transit ASes present in the Internet Routing Table: 69
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 232
Number of APNIC addresses announced to Internet: 46039808
Equivalent to 2 /8s, 190 /16s and 131 /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: 8153
Total ARIN prefixes after maximum aggregation: 4814
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 8168
Unique aggregates announced from the ARIN address blocks: 5462
ARIN Region origin ASes present in the Internet Routing Table: 1247
ARIN Prefixes per ASN: 6.55
ARIN Region origin ASes announcing only one prefix: 447
ARIN Region transit ASes present in the Internet Routing Table: 162
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: 181
Number of ARIN addresses announced to Internet: 96779520
Equivalent to 5 /8s, 196 /16s and 189 /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: 929
Total RIPE prefixes after maximum aggregation: 644
RIPE Deaggregation factor: 1.44
Prefixes being announced from the RIPE address blocks: 919
Unique aggregates announced from the RIPE address blocks: 625
RIPE Region origin ASes present in the Internet Routing Table: 207
RIPE Prefixes per ASN: 4.44
RIPE Region origin ASes announcing only one prefix: 87
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: 27
Number of RIPE addresses announced to Internet: 13210368
Equivalent to 0 /8s, 201 /16s and 147 /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: 1439
Total LACNIC prefixes after maximum aggregation: 588
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1437
Unique aggregates announced from the LACNIC address blocks: 789
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 8.87
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 67
Number of LACNIC addresses announced to Internet: 4277504
Equivalent to 0 /8s, 65 /16s and 69 /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: 902
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 902
Unique aggregates announced from the AfriNIC address blocks: 262
AfriNIC Region origin ASes present in the Internet Routing Table: 27
AfriNIC Prefixes per ASN: 33.41
AfriNIC Region origin ASes announcing only one prefix: 8
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2485248
Equivalent to 0 /8s, 37 /16s and 236 /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 572 2140 454 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 187 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 116 18 11 NKN-CORE-NW NKN Core Network, IN
4621 77 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/TENET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 152 507 89 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 114 7 17 OCDE, US
2920 108 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, 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 138 24 4 ISU Internet Services Unit ISU, SA
1103 98 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
1653 50 151 47 SUNET SUNET Swedish University Network,
3267 50 63 43 RUNNET, RU
1741 39 149 18 FUNETAS, FI
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
8674 18 2 11 NETNOD-IX Netnod AB, SE
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
1101 13 481 13 IP-EEND-AS IP-EEND BV, NL
47862 12 1 4 ANKABUT, AE
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 158 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 43 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
61468 41 3 15 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 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 375 319 73 TENET-1, ZA
36914 229 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 572 2140 454 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 73 TENET-1, ZA
36914 229 82 3 KENET-AS, KE
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1237 187 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
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 375 302 TENET-1, ZA
36914 229 226 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 138 134 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
1916 158 114 Rede Nacional de Ensino e Pesquisa, BR
55824 116 105 NKN-CORE-NW NKN Core Network, IN
2920 108 101 LACOE, US
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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
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
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /12:9
/13:17 /14:31 /15:88 /16:1503 /17:361 /18:398
/19:483 /20:767 /21:706 /22:1153 /23:1328 /24:9226
/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 216 229 KENET-AS, KE
8895 133 138 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
46115 32 35 LUTHER, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
32440 31 45 LONI, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700 30 35 MoRENet, MZ
18632 29 53 VOLCANO-VISION, 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 14:86
18:46 23:11 24:3 35:6 38:9 40:1
41:130 42:10 44:3 45:31 47:1 49:10
50:3 52:1 58:1 59:20 60:4 61:3
62:3 63:38 64:53 65:5 66:35 67:44
68:9 69:19 70:2 71:1 72:8 74:50
76:34 77:4 80:10 81:1 82:5 84:1
85:20 86:6 87:1 89:2 91:15 92:1
93:1 96:5 97:1 98:2 101:6 102:6
103:321 104:75 107:16 108:11 109:7 110:4
111:16 114:23 116:6 117:61 118:32 119:24
121:27 122:8 123:8 124:39 125:4 128:83
129:31 130:92 131:59 132:58 133:145 134:96
136:199 137:67 138:9 139:5 140:50 141:3
142:42 143:29 144:23 146:128 147:56 148:186
149:12 150:130 151:12 152:78 153:1 154:29
155:51 156:66 157:28 158:44 159:115 160:26
161:40 162:26 163:76 164:15 165:67 166:1
167:16 168:122 169:10 170:67 172:2 173:7
175:31 176:8 177:11 179:10 180:19 181:1
182:4 184:4 185:14 186:3 187:19 188:3
189:3 190:33 191:36 192:1065 193:83 194:56
195:50 196:159 197:131 198:510 199:282 200:225
201:38 202:626 203:432 204:337 205:129 206:196
207:172 208:70 209:123 210:184 211:13 212:132
213:3 214:8 216:86 217:1 218:22 219:6
220:17 222:5 223:3
End of report
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