[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 1 18:45:29 UTC 2022
IPv4 R&E Routing Table Report 18:45 GMT Tue 01 Feb, 2022
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: 16111
Prefixes after maximum aggregation (per Origin AS): 8421
Deaggregation factor: 1.91
Unique aggregates announced (without unneeded subnets): 9677
Number of IPv4 prefixes with a valid ROA: 2456
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 13636
Total ASes present in the Internet Routing Table: 2276
Prefixes per ASN: 7.08
Origin-only ASes present in the Internet Routing Table: 1974
Origin ASes announcing only one prefix: 872
Transit ASes present in the Internet Routing Table: 302
Transit-only ASes present in the Internet Routing Table: 47
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
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: 38451
Number of 32-bit ASNs visible in the Routing Table: 502
Prefixes from 32-bit ASNs in the Routing Table: 1484
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: 162863616
Equivalent to 9 /8s, 181 /16s and 26 /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: 99.5
Total number of prefixes smaller than registry allocations: 1569
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4663
Total APNIC prefixes after maximum aggregation: 2325
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4664
Unique aggregates announced from the APNIC address blocks: 2644
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 7.97
APNIC Region origin ASes announcing only one prefix: 255
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 228
Number of APNIC addresses announced to Internet: 46041856
Equivalent to 2 /8s, 190 /16s and 139 /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: 8315
Total ARIN prefixes after maximum aggregation: 4754
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 8324
Unique aggregates announced from the ARIN address blocks: 5423
ARIN Region origin ASes present in the Internet Routing Table: 1236
ARIN Prefixes per ASN: 6.73
ARIN Region origin ASes announcing only one prefix: 443
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: 168
Number of ARIN addresses announced to Internet: 96792320
Equivalent to 5 /8s, 196 /16s and 239 /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: 898
Total RIPE prefixes after maximum aggregation: 618
RIPE Deaggregation factor: 1.45
Prefixes being announced from the RIPE address blocks: 888
Unique aggregates announced from the RIPE address blocks: 617
RIPE Region origin ASes present in the Internet Routing Table: 208
RIPE Prefixes per ASN: 4.27
RIPE Region origin ASes announcing only one prefix: 98
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: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 29
Number of RIPE addresses announced to Internet: 13405952
Equivalent to 0 /8s, 204 /16s and 143 /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: 1493
Total LACNIC prefixes after maximum aggregation: 601
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1494
Unique aggregates announced from the LACNIC address blocks: 824
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 8.59
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4151296
Equivalent to 0 /8s, 63 /16s and 88 /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: 739
Total AfriNIC prefixes after maximum aggregation: 120
AfriNIC Deaggregation factor: 6.16
Prefixes being announced from the AfriNIC address blocks: 739
Unique aggregates announced from the AfriNIC address blocks: 167
AfriNIC Region origin ASes present in the Internet Routing Table: 23
AfriNIC Prefixes per ASN: 32.13
AfriNIC Region origin ASes announcing only one prefix: 5
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 2471680
Equivalent to 0 /8s, 37 /16s and 183 /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 2157 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
58647 165 18 2 KAGAWAU-AS Kagawa University, JP
55824 130 19 23 NKN-CORE-NW NKN Core Network, IN
4538 128 4192 72 ERX-CERNET-BKB China Education and Rese
4621 80 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
7896 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 148 507 90 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 108 34 6 LACOE, 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 143 24 4 ISU Internet Services Unit ISU, SA
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
1653 52 167 49 SUNET SUNET Swedish University Network,
1741 40 165 19 FUNETAS, FI
288 26 5 26 ESA Robert Bosch Strasse 5, DE
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
3267 21 67 17 RUNNET, RU
8674 16 2 11 NETNOD-IX Netnod Internet Exchange Sver
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
47862 13 1 5 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 171 207 41 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 55 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
52286 54 4 31 Columbus Networks Guatemala, GT
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 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 349 319 74 TENET-1, ZA
36914 199 82 3 KENET-AS, KE
8094 50 48 4 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37520 6 16 3 Rhodes-Univ, ZA
31960 5 1 1 EMUNET, MZ
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 2157 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 349 319 74 TENET-1, ZA
7896 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
36914 199 82 3 KENET-AS, KE
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 175 330 122 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 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 349 275 TENET-1, ZA
7896 251 244 NU-AS, US
5786 200 199 UPRENET, PR
36914 199 196 KENET-AS, KE
58647 165 163 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
18558 136 132 NETBLK-RCOEK, US
1916 171 130 Rede Nacional de Ensino e Pesquisa, BR
55824 130 107 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
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
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
/13:16 /14:31 /15:89 /16:1506 /17:348 /18:395
/19:483 /20:765 /21:734 /22:1163 /23:1325 /24:9243
/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 186 199 KENET-AS, KE
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700 30 34 MoRENet, MZ
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 4:2 6:4 8:2 12:1 14:85
18:42 23:11 24:3 35:2 38:9 40:1
41:114 42:9 44:3 45:32 47:1 49:10
50:4 52:1 59:20 60:4 61:3 62:2
63:37 64:50 65:4 66:50 67:44 68:9
69:20 71:1 72:10 74:20 76:33 77:4
80:7 81:1 82:3 84:1 85:14 86:4
87:1 89:2 91:15 92:1 93:1 95:1
96:5 97:1 98:2 101:6 102:5 103:315
104:75 106:1 107:16 108:11 109:7 110:3
111:20 112:4 114:23 116:5 117:61 118:32
119:22 121:26 122:8 123:8 124:39 125:4
128:78 129:170 130:92 131:81 132:58 133:139
134:97 136:192 137:78 138:8 139:5 140:50
141:3 142:42 143:33 144:52 146:128 147:57
148:186 149:13 150:39 151:11 152:76 153:1
154:25 155:51 156:66 157:26 158:42 159:115
160:25 161:37 162:26 163:67 164:43 165:65
166:1 167:16 168:151 169:10 170:70 171:1
172:2 173:7 175:31 176:8 177:13 179:11
180:21 181:13 182:6 184:13 185:12 186:3
187:18 188:3 189:5 190:44 191:33 192:1063
193:32 194:53 195:2 196:147 197:108 198:503
199:278 200:249 201:40 202:636 203:424 204:326
205:174 206:197 207:171 208:63 209:121 210:185
211:13 212:136 213:2 214:7 216:86 217:1
218:25 219:6 220:17 222:5 223:3
End of report
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