[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Dec 28 18:45:33 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Sat 28 Dec, 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: 8130
Prefixes after maximum aggregation (per Origin AS): 4460
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 5155
Number of IPv4 prefixes with a valid ROA: 3020
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 5109
Total ASes present in the Internet Routing Table: 932
Prefixes per ASN: 8.72
Origin-only ASes present in the Internet Routing Table: 743
Origin ASes announcing only one prefix: 302
Transit ASes present in the Internet Routing Table: 189
Transit-only ASes present in the Internet Routing Table: 78
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 28
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 46010
Number of 32-bit ASNs visible in the Routing Table: 236
Prefixes from 32-bit ASNs in the Routing Table: 486
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: 110094336
Equivalent to 6 /8s, 143 /16s and 232 /24s
Percentage of available address space announced: 3.0
Percentage of allocated address space announced: 3.0
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: 1377
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 2623
Total APNIC prefixes after maximum aggregation: 1373
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 2623
Unique aggregates announced from the APNIC address blocks: 1560
APNIC Region origin ASes present in the Internet Routing Table: 282
APNIC Prefixes per ASN: 9.30
APNIC Region origin ASes announcing only one prefix: 137
APNIC Region transit ASes present in the Internet Routing Table: 44
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 141
Number of APNIC addresses announced to Internet: 36415744
Equivalent to 2 /8s, 43 /16s and 169 /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: 3706
Total ARIN prefixes after maximum aggregation: 2401
ARIN Deaggregation factor: 1.54
Prefixes being announced from the ARIN address blocks: 3710
Unique aggregates announced from the ARIN address blocks: 2807
ARIN Region origin ASes present in the Internet Routing Table: 434
ARIN Prefixes per ASN: 8.55
ARIN Region origin ASes announcing only one prefix: 107
ARIN Region transit ASes present in the Internet Routing Table: 100
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 58
Number of ARIN addresses announced to Internet: 59985920
Equivalent to 3 /8s, 147 /16s and 80 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 631
Total RIPE prefixes after maximum aggregation: 485
RIPE Deaggregation factor: 1.30
Prefixes being announced from the RIPE address blocks: 624
Unique aggregates announced from the RIPE address blocks: 549
RIPE Region origin ASes present in the Internet Routing Table: 100
RIPE Prefixes per ASN: 6.24
RIPE Region origin ASes announcing only one prefix: 41
RIPE Region transit ASes present in the Internet Routing Table: 18
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 20
Number of RIPE addresses announced to Internet: 11032320
Equivalent to 0 /8s, 168 /16s and 87 /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,
53/8, 57/8, 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: 124
Total LACNIC prefixes after maximum aggregation: 76
LACNIC Deaggregation factor: 1.63
Prefixes being announced from the LACNIC address blocks: 127
Unique aggregates announced from the LACNIC address blocks: 86
LACNIC Region origin ASes present in the Internet Routing Table: 20
LACNIC Prefixes per ASN: 6.35
LACNIC Region origin ASes announcing only one prefix: 11
LACNIC Region transit ASes present in the Internet Routing Table: 9
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 12
Number of LACNIC addresses announced to Internet: 380160
Equivalent to 0 /8s, 5 /16s and 205 /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: 1045
Total AfriNIC prefixes after maximum aggregation: 124
AfriNIC Deaggregation factor: 8.43
Prefixes being announced from the AfriNIC address blocks: 1045
Unique aggregates announced from the AfriNIC address blocks: 152
AfriNIC Region origin ASes present in the Internet Routing Table: 17
AfriNIC Prefixes per ASN: 61.47
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 2279936
Equivalent to 0 /8s, 34 /16s and 202 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 536 1979 427 SINET-AS Research Organization of Informa
7497 440 180 24 CSTNET-AS-AP Computer Network Information
7575 164 265 108 AARNET-AS-AP Australian Academic and Rese
55824 145 19 20 NKN-CORE-NW NKN Core Network, IN
4538 136 4192 71 ERX-CERNET-BKB China Education and Resear
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
7560 33 10 10 CHONBUK-AS Jeonbuk National University, K
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast
24151 30 2 12 CNNIC-CRITICAL-AP China Internet 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
668 195 561 168 DNIC-AS-00668, US
376 180 160 131 RISQ-AS, CA
2152 147 507 97 CENIC-2152, US
81 124 502 32 NCREN, US
270 115 328 79 AS270, US
23024 97 7 19 OCDE, US
237 79 509 45 MERIT-AS-14, US
22742 65 37 30 CT-EDU-NET, US
1706 64 53 54 UNIV-ARIZ, US
7939 61 16 10 UNIVCENTFLA, 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 115 8 63 ISU Internet Services Unit ISU, SA
1103 78 1564 70 SURFNET-NL SURFnet, The Netherlands, NL
3267 77 29 67 NIKS, RU
1653 52 150 49 SUNET SUNET Swedish University Network, E
1741 38 133 17 FUNETAS, FI
1880 14 1 7 STUPI, SE
8674 14 2 11 NETNOD-IX Netnod AB, SE
1101 12 465 12 IP-EEND-AS IP-EEND BV, NL
224 11 240 11 UNINETT UNINETT, The Norwegian University
29384 11 3 8 QATAR-FOUNDATION, QA
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
61468 49 5 16 CEDIA, EC
1251 32 31 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
28571 12 37 12 UNIVERSIDADE DE SAO PAULO, BR
269224 7 0 1 Universidade La Salle, BR
11340 3 0 3 Red Universitaria Nacional, CL
268334 3 0 2 Fundacao Universidade Alto Vale do Rio do
269825 3 0 1 UNIVERSIDAD DE LAS AMERICAS, EC
18592 2 2 2 Corporacion Universitaria para el Desarro
268839 2 0 1 Associacao Pro Ensino Superior em Novo Ha
1797 1 16 1 Uruguay, UY
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
36914 540 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
327700 12 16 1 MoRENet, MZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37182 3 0 3 TERNET, TZ
37520 3 16 3 Rhodes-Univ, ZA
22354 2 3 2 UNIV-DAR, TZ
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
36914 540 82 3 KENET-AS, KE
2907 536 1979 427 SINET-AS Research Organization of Informa
7497 440 180 24 CSTNET-AS-AP Computer Network Information
2018 379 319 71 TENET-1, ZA
668 195 561 168 DNIC-AS-00668, US
376 180 160 131 RISQ-AS, CA
7575 164 265 108 AARNET-AS-AP Australian Academic and Rese
2152 147 507 97 CENIC-2152, US
55824 145 19 20 NKN-CORE-NW NKN Core Network, IN
4538 136 4192 71 ERX-CERNET-BKB China Education and Resear
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 379 308 TENET-1, ZA
55824 145 125 NKN-CORE-NW NKN Core Network, IN
2907 536 109 SINET-AS Research Organization of Information a
81 124 92 NCREN, US
23024 97 78 OCDE, US
4538 136 65 ERX-CERNET-BKB China Education and Research Net
7575 164 56 AARNET-AS-AP Australian Academic and Research N
8895 115 52 ISU Internet Services Unit ISU, SA
7939 61 51 UNIVCENTFLA, 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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 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 /10:1 /11:1 /12:10
/13:17 /14:27 /15:77 /16:897 /17:179 /18:191
/19:254 /20:369 /21:376 /22:591 /23:674 /24:4465
/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 516 540 KENET-AS, KE
8895 112 115 ISU Internet Services Unit ISU, SA
23024 37 97 OCDE, US
32440 35 60 LONI, US
3267 34 77 NIKS, RU
46115 32 33 LUTHER, US
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
37215 26 32 MAREN, MW
61468 23 49 CEDIA, EC
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 12:2 14:92
23:7 24:3 35:8 38:11 41:221 42:11
44:3 45:38 47:1 49:10 50:2 52:1
59:19 60:5 61:3 62:3 63:32 64:44
65:5 66:43 67:39 68:12 69:18 70:2
71:1 72:7 74:49 76:40 77:8 80:5
81:1 82:4 83:1 84:2 85:20 86:5
87:1 89:2 91:6 92:2 93:1 96:5
97:1 98:2 101:1 102:2 103:280 104:79
108:10 109:4 111:5 113:1 114:24 116:9
117:61 118:33 119:23 121:11 122:8 123:8
124:41 125:5 128:53 129:29 130:18 131:9
132:41 133:10 134:20 136:1 137:14 138:9
139:1 140:2 141:3 142:8 143:16 144:1
146:17 147:10 148:1 149:4 150:13 152:80
154:25 155:21 156:1 157:3 158:11 159:99
160:28 161:2 162:12 163:28 164:1 168:45
169:2 170:2 171:1 173:5 180:16 182:1
184:5 185:5 187:3 188:3 190:16 192:540
193:23 194:30 195:2 196:140 197:326 198:225
199:101 200:14 201:4 202:217 203:142 204:55
205:49 206:97 207:67 208:10 209:58 210:88
211:1 212:102 214:6 216:16 218:21 219:5
220:14 223:4
End of report
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