[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Nov 1 18:45:37 UTC 2023
IPv4 R&E Routing Table Report 18:45 GMT Wed 01 Nov, 2023
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: 15189
Prefixes after maximum aggregation (per Origin AS): 8094
Deaggregation factor: 1.88
Unique aggregates announced (without unneeded subnets): 9265
Number of IPv4 prefixes with a valid ROA: 3635
Number of IPv4 prefixes with an invalid ROA: 25
Number of IPv4 prefixes with no ROA: 11529
Total ASes present in the Internet Routing Table: 2160
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 1876
Origin ASes announcing only one prefix: 800
Transit ASes present in the Internet Routing Table: 284
Transit-only ASes present in the Internet Routing Table: 52
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 15
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 42972
Number of 32-bit ASNs visible in the Routing Table: 476
Prefixes from 32-bit ASNs in the Routing Table: 1572
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: 3
Number of addresses announced to Internet: 160239104
Equivalent to 9 /8s, 141 /16s and 14 /24s
Percentage of available address space announced: 4.3
Percentage of allocated address space announced: 4.3
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: 1566
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3911
Total APNIC prefixes after maximum aggregation: 2051
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 3909
Unique aggregates announced from the APNIC address blocks: 2463
APNIC Region origin ASes present in the Internet Routing Table: 468
APNIC Prefixes per ASN: 8.35
APNIC Region origin ASes announcing only one prefix: 203
APNIC Region transit ASes present in the Internet Routing Table: 47
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 180
Number of APNIC addresses announced to Internet: 45067520
Equivalent to 2 /8s, 175 /16s and 173 /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: 7898
Total ARIN prefixes after maximum aggregation: 4675
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7906
Unique aggregates announced from the ARIN address blocks: 5174
ARIN Region origin ASes present in the Internet Routing Table: 1237
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 190
Number of ARIN addresses announced to Internet: 95447552
Equivalent to 5 /8s, 176 /16s and 106 /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: 947
Total RIPE prefixes after maximum aggregation: 641
RIPE Deaggregation factor: 1.48
Prefixes being announced from the RIPE address blocks: 942
Unique aggregates announced from the RIPE address blocks: 656
RIPE Region origin ASes present in the Internet Routing Table: 209
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 89
RIPE Region transit ASes present in the Internet Routing Table: 30
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 27
Number of RIPE addresses announced to Internet: 13111040
Equivalent to 0 /8s, 200 /16s and 15 /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: 1447
Total LACNIC prefixes after maximum aggregation: 583
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1445
Unique aggregates announced from the LACNIC address blocks: 776
LACNIC Region origin ASes present in the Internet Routing Table: 168
LACNIC Prefixes per ASN: 8.60
LACNIC Region origin ASes announcing only one prefix: 61
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: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70
Number of LACNIC addresses announced to Internet: 4103936
Equivalent to 0 /8s, 62 /16s and 159 /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: 984
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 6.93
Prefixes being announced from the AfriNIC address blocks: 984
Unique aggregates announced from the AfriNIC address blocks: 193
AfriNIC Region origin ASes present in the Internet Routing Table: 25
AfriNIC Prefixes per ASN: 39.36
AfriNIC Region origin ASes announcing only one prefix: 8
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2443008
Equivalent to 0 /8s, 37 /16s and 71 /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 2162 465 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 193 74 142 KREONET-AS-KR KISTI, KR
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4538 125 4176 73 ERX-CERNET-BKB China Education and Rese
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 57 4 33 ERX-ERNET-AS Education and Research Net
1659 51 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
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
668 204 652 173 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 141 507 91 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 101 34 7 LACOE, US
21976 80 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 133 24 5 ISU Internet Services Unit ISU, SA
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 61 68 46 RUNNET, RU
1653 50 151 47 SUNET SUNET Swedish University Network,
1741 39 149 18 FUNETAS, FI
5495 24 7 8 ASN-SPBGU St.Petersburg, Russia, RU
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
1880 13 1 8 STUPI, SE
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 208 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
271640 70 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 51 17 4 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
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/TENET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 380 319 71 TENET-1, ZA
36914 255 82 3 KENET-AS, KE
327687 164 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
36982 8 33 8 UCT, ZA
37215 7 8 1 MAREN, MW
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 593 2162 465 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
36914 255 82 3 KENET-AS, KE
1916 208 176 42 Rede Nacional de Ensino e Pesquisa, BR
668 204 652 173 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 193 74 142 KREONET-AS-KR KISTI, KR
7575 177 329 120 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 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
36914 255 252 KENET-AS, KE
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
1916 208 166 Rede Nacional de Ensino e Pesquisa, BR
327687 164 161 RENU, UG
18558 141 137 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
55824 127 110 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
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/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 /14:30 /15:86 /16:1444 /17:365 /18:394
/19:477 /20:693 /21:655 /22:1115 /23:1246 /24:8654
/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 244 255 KENET-AS, KE
8895 128 133 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 38 61 LONI, US
327700 38 42 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
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/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 6:4 8:2 12:1 14:89
23:6 24:3 35:6 38:8 40:1 41:120
42:10 44:4 45:32 47:1 49:9 50:1
52:1 59:18 60:5 61:3 62:6 63:32
64:48 65:1 66:39 67:41 68:9 69:17
70:2 71:1 72:7 74:46 76:41 77:6
80:4 81:1 82:4 84:4 85:17 86:4
87:1 89:2 91:17 92:2 93:1 96:5
97:1 98:2 101:2 102:27 103:258 104:76
108:10 109:6 114:23 116:6 117:61 118:32
119:18 121:3 122:8 123:8 124:40 125:4
128:85 129:38 130:85 131:59 132:64 133:152
134:105 136:196 137:124 138:10 139:5 140:40
141:3 142:38 143:20 144:23 146:130 147:53
148:186 149:12 150:44 151:11 152:133 153:2
154:28 155:63 156:64 157:18 158:32 159:114
160:30 161:15 162:22 163:84 164:13 165:47
166:1 167:13 168:124 169:8 170:77 171:1
172:3 173:7 175:17 176:8 177:6 179:12
180:14 181:1 182:1 184:3 185:18 186:3
187:18 188:3 189:3 190:20 191:13 192:1062
193:38 194:60 195:45 196:198 197:167 198:478
199:274 200:324 201:39 202:377 203:313 204:353
205:130 206:191 207:151 208:73 209:111 210:191
211:14 212:119 213:3 214:8 216:84 218:22
219:5 220:16 222:1 223:14
End of report
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