[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Sep 9 18:45:40 UTC 2023
IPv4 R&E Routing Table Report 18:45 GMT Sat 09 Sep, 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: 15790
Prefixes after maximum aggregation (per Origin AS): 8260
Deaggregation factor: 1.91
Unique aggregates announced (without unneeded subnets): 9341
Number of IPv4 prefixes with a valid ROA: 3647
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 12120
Total ASes present in the Internet Routing Table: 2224
Prefixes per ASN: 7.10
Origin-only ASes present in the Internet Routing Table: 1925
Origin ASes announcing only one prefix: 813
Transit ASes present in the Internet Routing Table: 299
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: 15
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 42579
Number of 32-bit ASNs visible in the Routing Table: 499
Prefixes from 32-bit ASNs in the Routing Table: 1646
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: 160262144
Equivalent to 9 /8s, 141 /16s and 104 /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: 99.5
Total number of prefixes smaller than registry allocations: 1582
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4610
Total APNIC prefixes after maximum aggregation: 2274
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4609
Unique aggregates announced from the APNIC address blocks: 2595
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.52
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: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 205
Number of APNIC addresses announced to Internet: 45564160
Equivalent to 2 /8s, 183 /16s and 65 /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: 7772
Total ARIN prefixes after maximum aggregation: 4621
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7780
Unique aggregates announced from the ARIN address blocks: 5114
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 6.36
ARIN Region origin ASes announcing only one prefix: 428
ARIN Region transit ASes present in the Internet Routing Table: 159
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 94857216
Equivalent to 5 /8s, 167 /16s and 104 /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: 948
Total RIPE prefixes after maximum aggregation: 635
RIPE Deaggregation factor: 1.49
Prefixes being announced from the RIPE address blocks: 943
Unique aggregates announced from the RIPE address blocks: 647
RIPE Region origin ASes present in the Internet Routing Table: 207
RIPE Prefixes per ASN: 4.56
RIPE Region origin ASes announcing only one prefix: 86
RIPE Region transit ASes present in the Internet Routing Table: 33
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 27
Number of RIPE addresses announced to Internet: 13102336
Equivalent to 0 /8s, 199 /16s and 237 /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: 1477
Total LACNIC prefixes after maximum aggregation: 581
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1475
Unique aggregates announced from the LACNIC address blocks: 789
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.89
LACNIC Region origin ASes announcing only one prefix: 61
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4230144
Equivalent to 0 /8s, 64 /16s and 140 /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: 980
Total AfriNIC prefixes after maximum aggregation: 146
AfriNIC Deaggregation factor: 6.71
Prefixes being announced from the AfriNIC address blocks: 980
Unique aggregates announced from the AfriNIC address blocks: 193
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 37.69
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: 2.7
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 2442240
Equivalent to 0 /8s, 37 /16s and 68 /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 592 2147 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
1237 191 74 139 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
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 125 18 16 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 63 4 1 MAHIDOL-BORDER-AS Mahidol University, T
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
668 202 651 171 DNIC-AS-00668, US
376 201 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 143 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
270 118 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 82 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 136 24 5 ISU Internet Services Unit ISU, SA
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 56 63 41 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 17 2 11 NETNOD-IX Netnod AB, SE
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
1101 12 465 12 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 221 176 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 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
4270 47 16 1 Red de Interconexion Universitaria, AR
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 378 319 71 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 41 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 592 2147 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 378 319 71 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
1916 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
668 202 651 171 DNIC-AS-00668, US
376 201 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 191 74 139 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 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 378 307 TENET-1, ZA
36914 254 251 KENET-AS, KE
5786 197 196 UPRENET, PR
1916 221 179 Rede Nacional de Ensino e Pesquisa, BR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 166 163 RENU, UG
18558 136 132 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
55824 125 109 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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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 /15:88 /16:1477 /17:357 /18:375
/19:467 /20:732 /21:680 /22:1193 /23:1280 /24:9081
/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 243 254 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 36 41 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
23:7 24:3 35:4 38:9 40:1 41:116
42:10 44:3 45:39 47:1 49:9 50:1
52:1 58:1 59:19 60:4 61:3 62:6
63:33 64:51 65:1 66:37 67:41 68:8
69:19 70:2 71:1 72:7 74:44 76:40
77:6 80:4 81:1 82:4 84:4 85:17
86:10 87:1 89:2 91:16 92:2 93:1
96:5 97:1 98:2 101:2 102:26 103:263
104:76 108:10 109:6 111:16 114:23 116:6
117:61 118:32 119:18 121:28 122:8 123:8
124:39 125:4 128:84 129:34 130:87 131:38
132:57 133:152 134:102 136:196 137:124 138:9
139:5 140:40 141:1 142:38 143:20 144:23
146:130 147:54 148:186 149:12 150:44 151:11
152:147 153:2 154:29 155:63 156:66 157:18
158:30 159:114 160:29 161:24 162:23 163:85
164:10 165:46 166:1 167:13 168:123 169:8
170:76 171:1 172:3 173:6 175:26 176:8
177:5 179:11 180:15 181:1 182:1 184:5
185:19 186:3 187:18 188:3 189:3 190:20
191:13 192:1049 193:37 194:58 195:42 196:199
197:165 198:476 199:276 200:341 201:39 202:628
203:427 204:352 205:129 206:188 207:166 208:70
209:115 210:190 211:14 212:127 213:3 214:8
216:84 217:1 218:22 219:5 220:16 222:2
223:14
End of report
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