[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jul 21 18:45:40 UTC 2023
IPv4 R&E Routing Table Report 18:45 GMT Fri 21 Jul, 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: 15662
Prefixes after maximum aggregation (per Origin AS): 8270
Deaggregation factor: 1.89
Unique aggregates announced (without unneeded subnets): 9383
Number of IPv4 prefixes with a valid ROA: 3407
Number of IPv4 prefixes with an invalid ROA: 14
Number of IPv4 prefixes with no ROA: 12241
Total ASes present in the Internet Routing Table: 2227
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 1927
Origin ASes announcing only one prefix: 807
Transit ASes present in the Internet Routing Table: 300
Transit-only ASes present in the Internet Routing Table: 62
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: 19
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: 42274
Number of 32-bit ASNs visible in the Routing Table: 491
Prefixes from 32-bit ASNs in the Routing Table: 1598
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: 160956416
Equivalent to 9 /8s, 152 /16s and 0 /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: 1441
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4590
Total APNIC prefixes after maximum aggregation: 2234
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4590
Unique aggregates announced from the APNIC address blocks: 2564
APNIC Region origin ASes present in the Internet Routing Table: 533
APNIC Prefixes per ASN: 8.61
APNIC Region origin ASes announcing only one prefix: 222
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 199
Number of APNIC addresses announced to Internet: 45757440
Equivalent to 2 /8s, 186 /16s and 52 /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: 7887
Total ARIN prefixes after maximum aggregation: 4677
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7893
Unique aggregates announced from the ARIN address blocks: 5184
ARIN Region origin ASes present in the Internet Routing Table: 1231
ARIN Prefixes per ASN: 6.41
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 187
Number of ARIN addresses announced to Internet: 95350784
Equivalent to 5 /8s, 174 /16s and 240 /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: 946
Total RIPE prefixes after maximum aggregation: 634
RIPE Deaggregation factor: 1.49
Prefixes being announced from the RIPE address blocks: 941
Unique aggregates announced from the RIPE address blocks: 647
RIPE Region origin ASes present in the Internet Routing Table: 209
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 88
RIPE Region transit ASes present in the Internet Routing Table: 33
Average RIPE Region AS path length visible: 4.5
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: 13168384
Equivalent to 0 /8s, 200 /16s and 239 /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: 1412
Total LACNIC prefixes after maximum aggregation: 579
LACNIC Deaggregation factor: 2.44
Prefixes being announced from the LACNIC address blocks: 1412
Unique aggregates announced from the LACNIC address blocks: 792
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.56
LACNIC Region origin ASes announcing only one prefix: 60
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: 69
Number of LACNIC addresses announced to Internet: 4236544
Equivalent to 0 /8s, 64 /16s and 165 /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: 824
Total AfriNIC prefixes after maximum aggregation: 143
AfriNIC Deaggregation factor: 5.76
Prefixes being announced from the AfriNIC address blocks: 823
Unique aggregates announced from the AfriNIC address blocks: 193
AfriNIC Region origin ASes present in the Internet Routing Table: 25
AfriNIC Prefixes per ASN: 32.92
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: 2.5
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
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 596 2147 465 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
1237 191 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 122 18 14 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 65 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
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
2152 136 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
270 117 329 82 AS270, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 84 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 53 63 38 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 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
1916 220 176 41 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
3596 34 4 3 Universidad Autonoma Metropolitana, MX
271640 34 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
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 369 319 72 TENET-1, ZA
327687 162 28 3 RENU, UG
36914 83 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
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
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 596 2147 465 SINET-AS Research Organization of Infor
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
2018 369 319 72 TENET-1, ZA
1916 220 176 41 Rede Nacional de Ensino e Pesquisa, BR
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
1237 191 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
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 434 411 CSTNET-AS-AP Computer Network Information Cente
2018 369 297 TENET-1, ZA
5786 197 196 UPRENET, PR
1916 220 179 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
18558 136 132 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
55824 122 108 NKN-CORE-NW NKN Core Network, IN
2920 107 100 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
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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 0 UNALLOCATED
192.31.196.0/24 Origin: 112 UNASSIGNED
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 /16:1479 /17:361 /18:390
/19:485 /20:739 /21:685 /22:1192 /23:1282 /24:8901
/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
8895 131 136 ISU Internet Services Unit ISU, SA
36914 75 83 KENET-AS, KE
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 35 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
37215 31 37 MAREN, MW
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 41:138
42:10 44:3 45:37 47:1 49:9 50:1
52:1 58:1 59:19 60:4 61:3 62:5
63:33 64:57 65:1 66:33 67:41 68:8
69:19 70:2 71:1 72:7 74:50 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 98:2 101:2 102:24 103:254
104:80 108:10 109:6 111:16 114:23 116:6
117:61 118:32 119:18 121:28 122:8 123:8
124:38 125:4 128:84 129:34 130:87 131:49
132:60 133:155 134:102 136:196 137:123 138:11
139:5 140:52 141:1 142:38 143:19 144:23
146:131 147:55 148:186 149:12 150:43 151:10
152:136 153:2 154:30 155:63 156:66 157:23
158:36 159:114 160:27 161:24 162:23 163:83
164:10 165:46 166:1 167:13 168:122 169:8
170:66 171:1 172:3 173:6 175:27 176:8
177:5 179:12 180:15 181:1 182:1 184:3
185:19 186:3 187:18 188:3 189:3 190:19
191:13 192:1053 193:37 194:56 195:42 196:199
197:1 198:483 199:285 200:287 201:39 202:625
203:429 204:351 205:129 206:187 207:168 208:70
209:116 210:185 211:3 212:127 213:3 214:8
216:86 217:1 218:22 219:6 220:16 222:2
223:14
End of report
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