[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jun 22 18:45:40 UTC 2022
IPv4 R&E Routing Table Report 18:45 GMT Wed 22 Jun, 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: 16066
Prefixes after maximum aggregation (per Origin AS): 8457
Deaggregation factor: 1.90
Unique aggregates announced (without unneeded subnets): 9707
Number of IPv4 prefixes with a valid ROA: 2808
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 13241
Total ASes present in the Internet Routing Table: 2285
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 1977
Origin ASes announcing only one prefix: 862
Transit ASes present in the Internet Routing Table: 308
Transit-only ASes present in the Internet Routing Table: 54
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 17
Max AS path prepend of ASN ( 1149) 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: 39635
Number of 32-bit ASNs visible in the Routing Table: 513
Prefixes from 32-bit ASNs in the Routing Table: 1496
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: 162663936
Equivalent to 9 /8s, 178 /16s and 14 /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: 1581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4622
Total APNIC prefixes after maximum aggregation: 2292
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4623
Unique aggregates announced from the APNIC address blocks: 2606
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 7.90
APNIC Region origin ASes announcing only one prefix: 257
APNIC Region transit ASes present in the Internet Routing Table: 69
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 46026496
Equivalent to 2 /8s, 190 /16s and 79 /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: 8210
Total ARIN prefixes after maximum aggregation: 4793
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 8226
Unique aggregates announced from the ARIN address blocks: 5464
ARIN Region origin ASes present in the Internet Routing Table: 1248
ARIN Prefixes per ASN: 6.59
ARIN Region origin ASes announcing only one prefix: 447
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: 178
Number of ARIN addresses announced to Internet: 96733696
Equivalent to 5 /8s, 196 /16s and 10 /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: 911
Total RIPE prefixes after maximum aggregation: 629
RIPE Deaggregation factor: 1.45
Prefixes being announced from the RIPE address blocks: 901
Unique aggregates announced from the RIPE address blocks: 611
RIPE Region origin ASes present in the Internet Routing Table: 201
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 86
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: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 27
Number of RIPE addresses announced to Internet: 13167104
Equivalent to 0 /8s, 200 /16s and 234 /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: 1426
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1423
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.57
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4254976
Equivalent to 0 /8s, 64 /16s and 237 /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: 891
Total AfriNIC prefixes after maximum aggregation: 176
AfriNIC Deaggregation factor: 5.06
Prefixes being announced from the AfriNIC address blocks: 891
Unique aggregates announced from the AfriNIC address blocks: 261
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 34.27
AfriNIC Region origin ASes announcing only one prefix: 7
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: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2481152
Equivalent to 0 /8s, 37 /16s and 220 /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 2140 454 SINET-AS Research Organization of Infor
7497 433 182 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 78 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
668 211 702 179 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 152 507 91 CSUNET-NW, US
18558 131 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 107 34 6 LACOE, US
32531 91 16 1 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 137 24 4 ISU Internet Services Unit ISU, SA
1103 99 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 19 2 12 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 152 207 39 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 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28571 38 26 15 UNIVERSIDADE DE SAO PAULO, BR
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 377 319 73 TENET-1, ZA
36914 221 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 18 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 571 2140 454 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
2018 377 319 73 TENET-1, ZA
36914 221 82 3 KENET-AS, KE
668 211 702 179 DNIC-AS-00668, US
376 204 178 153 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 433 409 CSTNET-AS-AP Computer Network Information Cente
2018 377 304 TENET-1, ZA
36914 221 218 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 137 133 ISU Internet Services Unit ISU, SA
18558 131 127 NETBLK-RCOEK, US
1916 152 113 Rede Nacional de Ensino e Pesquisa, BR
55824 116 105 NKN-CORE-NW NKN Core Network, IN
2920 107 101 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 /16:1504 /17:360 /18:396
/19:480 /20:766 /21:701 /22:1146 /23:1324 /24:9240
/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 208 221 KENET-AS, KE
8895 132 137 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
32440 30 45 LONI, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 14:86
18:46 23:11 24:3 35:6 38:9 40:1
41:125 42:10 44:3 45:33 47:1 49:10
50:4 52:1 58:1 59:20 60:4 61:3
62:1 63:38 64:53 65:5 66:50 67:44
68:9 69:19 70:2 71:1 72:9 74:18
76:33 77:4 80:10 81:1 82:4 84:1
85:20 86:4 87:1 89:2 91:15 93:1
96:5 97:1 98:2 101:6 102:6 103:312
104:77 107:16 108:11 109:7 110:4 111:16
114:23 116:6 117:61 118:32 119:24 121:27
122:8 123:8 124:39 125:4 128:87 129:31
130:93 131:60 132:58 133:145 134:95 136:199
137:67 138:9 139:5 140:49 141:3 142:42
143:29 144:23 146:129 147:56 148:186 149:12
150:130 151:12 152:77 153:1 154:29 155:51
156:65 157:28 158:44 159:115 160:26 161:40
162:26 163:64 164:19 165:67 166:1 167:16
168:122 169:10 170:67 172:2 173:7 175:31
176:8 177:12 179:10 180:21 181:1 182:4
184:4 185:11 186:3 187:19 188:3 189:5
190:34 191:36 192:1078 193:79 194:55 195:50
196:161 197:124 198:510 199:283 200:237 201:38
202:630 203:423 204:330 205:174 206:197 207:173
208:70 209:122 210:184 211:13 212:131 213:3
214:8 216:85 217:1 218:22 219:6 220:17
222:5 223:3
End of report
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