[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 27 18:45:39 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Mon 27 May, 2024
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: 15589
Prefixes after maximum aggregation (per Origin AS): 8223
Deaggregation factor: 1.90
Unique aggregates announced (without unneeded subnets): 9312
Number of IPv4 prefixes with a valid ROA: 4156
Number of IPv4 prefixes with an invalid ROA: 6
Number of IPv4 prefixes with no ROA: 11427
Total ASes present in the Internet Routing Table: 2182
Prefixes per ASN: 7.14
Origin-only ASes present in the Internet Routing Table: 1898
Origin ASes announcing only one prefix: 806
Transit ASes present in the Internet Routing Table: 284
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: 4.3
Max AS path length visible: 14
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: 44590
Number of 32-bit ASNs visible in the Routing Table: 493
Prefixes from 32-bit ASNs in the Routing Table: 1428
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: 157314816
Equivalent to 9 /8s, 96 /16s and 111 /24s
Percentage of available address space announced: 4.2
Percentage of allocated address space announced: 4.2
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: 1547
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4541
Total APNIC prefixes after maximum aggregation: 2241
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4541
Unique aggregates announced from the APNIC address blocks: 2526
APNIC Region origin ASes present in the Internet Routing Table: 536
APNIC Prefixes per ASN: 8.47
APNIC Region origin ASes announcing only one prefix: 229
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 201
Number of APNIC addresses announced to Internet: 45509632
Equivalent to 2 /8s, 182 /16s and 108 /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: 8161
Total ARIN prefixes after maximum aggregation: 4745
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8169
Unique aggregates announced from the ARIN address blocks: 5268
ARIN Region origin ASes present in the Internet Routing Table: 1250
ARIN Prefixes per ASN: 6.54
ARIN Region origin ASes announcing only one prefix: 437
ARIN Region transit ASes present in the Internet Routing Table: 157
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: 201
Number of ARIN addresses announced to Internet: 92658688
Equivalent to 5 /8s, 133 /16s and 220 /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, 393216-402332
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: 889
Total RIPE prefixes after maximum aggregation: 619
RIPE Deaggregation factor: 1.44
Prefixes being announced from the RIPE address blocks: 884
Unique aggregates announced from the RIPE address blocks: 663
RIPE Region origin ASes present in the Internet Routing Table: 189
RIPE Prefixes per ASN: 4.68
RIPE Region origin ASes announcing only one prefix: 78
RIPE Region transit ASes present in the Internet Routing Table: 26
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 29
Number of RIPE addresses announced to Internet: 12909056
Equivalent to 0 /8s, 196 /16s and 250 /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: 1153
Total LACNIC prefixes after maximum aggregation: 474
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1151
Unique aggregates announced from the LACNIC address blocks: 666
LACNIC Region origin ASes present in the Internet Routing Table: 129
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 54
Number of LACNIC addresses announced to Internet: 3923712
Equivalent to 0 /8s, 59 /16s and 223 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 843
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 5.94
Prefixes being announced from the AfriNIC address blocks: 843
Unique aggregates announced from the AfriNIC address blocks: 188
AfriNIC Region origin ASes present in the Internet Routing Table: 23
AfriNIC Prefixes per ASN: 36.65
AfriNIC Region origin ASes announcing only one prefix: 9
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 2313472
Equivalent to 0 /8s, 35 /16s and 77 /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 588 2159 461 SINET-AS Research Organization of Infor
7497 440 180 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
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
668 204 648 173 DNIC-AS-00668, US
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 177 34 7 LACOE, US
2152 150 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
270 117 328 81 AS270, US
23024 108 7 22 OCDE, US
237 87 543 51 MERIT-AS-14, 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 132 24 5 ISU Internet Services Unit ISU, SA
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 74 26 64 RUNNET, RU
1653 53 151 50 SUNET SUNET Swedish University Network,
1741 39 149 18 FUNETAS, FI
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
8674 16 2 11 NETNOD-IX Netnod AB, SE
1880 14 1 7 STUPI, SE
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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
1916 139 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 108 25 52 Red Universitaria Nacional, CL
271640 65 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
3596 35 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 378 319 71 TENET-1, ZA
36914 248 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37654 14 1 8 RwEdNet-AS, RW
37182 12 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 588 2159 461 SINET-AS Research Organization of Infor
7497 440 180 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 71 TENET-1, ZA
36914 248 82 3 KENET-AS, KE
668 204 648 173 DNIC-AS-00668, US
376 203 162 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
1237 189 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
2920 177 34 7 LACOE, US
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 440 416 CSTNET-AS-AP Computer Network Information Cente
2018 378 307 TENET-1, ZA
36914 248 245 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 177 170 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
55824 131 112 NKN-CORE-NW NKN Core Network, IN
81 133 100 NCREN, 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
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /10:1 /11:1 /12:9
/13:17 /14:30 /15:87 /16:1475 /17:364 /18:399
/19:488 /20:747 /21:671 /22:1164 /23:1251 /24:8884
/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 235 248 KENET-AS, KE
8895 127 132 ISU Internet Services Unit ISU, SA
23024 51 108 OCDE, US
32440 38 64 LONI, US
327700 38 43 MoRENet, MZ
3267 32 74 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
37215 30 36 MAREN, MW
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 14:91
23:5 24:3 35:7 38:10 40:1 41:197
42:10 44:4 45:36 47:1 49:9 50:3
52:1 59:19 60:6 61:3 62:3 63:32
64:44 65:1 66:46 67:42 68:10 69:18
70:2 71:1 72:7 74:48 76:41 77:8
80:3 81:1 82:4 83:1 84:2 85:17
86:5 87:1 89:2 91:16 92:2 93:1
96:5 97:1 98:2 101:1 102:1 103:259
104:76 108:10 109:7 114:24 116:8 117:61
118:34 119:21 121:11 122:8 123:8 124:41
125:5 128:86 129:32 130:84 131:56 132:66
133:157 134:106 136:197 137:46 138:57 139:5
140:38 141:3 142:26 143:23 144:23 146:134
147:60 148:188 149:11 150:41 151:9 152:136
153:2 154:31 155:63 156:134 157:20 158:35
159:118 160:30 161:16 162:23 163:63 164:14
165:48 166:1 167:13 168:104 169:6 170:20
171:1 172:3 173:6 175:18 176:8 177:4
179:9 180:15 181:1 182:1 184:6 185:12
186:3 187:18 188:4 189:3 190:17 191:13
192:1079 193:33 194:57 195:29 196:153 197:114
198:469 199:274 200:208 201:37 202:607 203:427
204:366 205:136 206:195 207:206 208:72 209:113
210:189 211:14 212:119 213:2 214:8 216:92
218:22 219:5 220:17 222:2 223:14
End of report
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