[REN-BGP-stats-all] IPv4 R&E Routing Table Report - TENET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Sep 22 18:45:33 UTC 2024
IPv4 R&E Routing Table Report 18:45 GMT Sun 22 Sep, 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: 4388
Prefixes after maximum aggregation (per Origin AS): 2153
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 2581
Number of IPv4 prefixes with a valid ROA: 1754
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 2633
Total ASes present in the Internet Routing Table: 815
Prefixes per ASN: 5.38
Origin-only ASes present in the Internet Routing Table: 637
Origin ASes announcing only one prefix: 341
Transit ASes present in the Internet Routing Table: 178
Transit-only ASes present in the Internet Routing Table: 79
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: 13
Max AS path prepend of ASN ( 45768) 8
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: 45413
Number of 32-bit ASNs visible in the Routing Table: 169
Prefixes from 32-bit ASNs in the Routing Table: 337
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: 83937792
Equivalent to 5 /8s, 0 /16s and 202 /24s
Percentage of available address space announced: 2.3
Percentage of allocated address space announced: 2.3
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: 1139
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1153
Total APNIC prefixes after maximum aggregation: 565
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 1152
Unique aggregates announced from the APNIC address blocks: 679
APNIC Region origin ASes present in the Internet Routing Table: 205
APNIC Prefixes per ASN: 5.62
APNIC Region origin ASes announcing only one prefix: 107
APNIC Region transit ASes present in the Internet Routing Table: 41
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 79
Number of APNIC addresses announced to Internet: 27709440
Equivalent to 1 /8s, 166 /16s and 208 /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: 1959
Total ARIN prefixes after maximum aggregation: 1104
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 1964
Unique aggregates announced from the ARIN address blocks: 1316
ARIN Region origin ASes present in the Internet Routing Table: 414
ARIN Prefixes per ASN: 4.74
ARIN Region origin ASes announcing only one prefix: 171
ARIN Region transit ASes present in the Internet Routing Table: 98
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 10
Number of ARIN region 32-bit ASNs visible in the Routing Table: 56
Number of ARIN addresses announced to Internet: 46396672
Equivalent to 2 /8s, 195 /16s and 245 /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: 300
Total RIPE prefixes after maximum aggregation: 251
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 296
Unique aggregates announced from the RIPE address blocks: 261
RIPE Region origin ASes present in the Internet Routing Table: 82
RIPE Prefixes per ASN: 3.61
RIPE Region origin ASes announcing only one prefix: 45
RIPE Region transit ASes present in the Internet Routing Table: 14
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 15
Number of RIPE addresses announced to Internet: 7728384
Equivalent to 0 /8s, 117 /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: 46
Total LACNIC prefixes after maximum aggregation: 29
LACNIC Deaggregation factor: 1.59
Prefixes being announced from the LACNIC address blocks: 46
Unique aggregates announced from the LACNIC address blocks: 31
LACNIC Region origin ASes present in the Internet Routing Table: 20
LACNIC Prefixes per ASN: 2.30
LACNIC Region origin ASes announcing only one prefix: 12
LACNIC Region transit ASes present in the Internet Routing Table: 10
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: 14
Number of LACNIC addresses announced to Internet: 152832
Equivalent to 0 /8s, 2 /16s and 85 /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: 929
Total AfriNIC prefixes after maximum aggregation: 203
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 929
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 14
AfriNIC Prefixes per ASN: 66.36
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 4
Average AfriNIC Region AS path length visible: 3.0
Max AfriNIC Region AS path length visible: 5
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 1950208
Equivalent to 0 /8s, 29 /16s and 194 /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
7497 139 138 8 CSTNET-AS-AP Computer Network Information
4538 112 3596 73 ERX-CERNET-BKB China Education and Resear
2907 79 902 52 SINET-AS Research Organization of Informa
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
7575 55 216 32 AARNET-AS-AP Australian Academic and Rese
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Sunw
45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Prov
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast
24151 28 2 11 CNNIC-CRITICAL-AP China Internet Network
24363 28 21 15 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong
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 85 425 70 DNIC-AS-00668, US
21976 79 49 13 NJEDGE-NET, US
237 76 509 41 MERIT-AS-14, US
7939 60 16 9 UNIVCENTFLA, US
2152 57 290 26 CENIC-2152, US
23024 55 3 18 OCDE, US
32440 41 32 2 LONI, US
4 33 15 9 ISI-AS, US
25977 33 8 8 HCCS, US
46115 33 2 1 LUTHER, 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
1103 57 953 51 SURFNET-NL SURFnet, The Netherlands, NL
3267 44 19 38 NIKS, RU
1653 35 145 34 SUNET SUNET Swedish University Network, E
1101 13 481 13 IP-EEND-AS IP-EEND BV, NL
29384 8 2 5 QATAR-FOUNDATION, QA
224 6 112 6 UNINETT UNINETT, The Norwegian University
42236 6 1 1 ITM8-AS, DK
1741 5 80 5 FUNETAS, FI
42289 5 2 1 ITMO-AS ITMO, RU
50999 5 8 1 KAUST-AS1, SA
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 11 1 4 CEDIA, EC
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
268744 3 2 3 APESC - Associacao Pro-Ensino em Santa Cr
269825 3 0 1 UNIVERSIDAD DE LAS AMERICAS, EC
268118 2 1 2 UNIVERSIDADE FEDERAL DE SANTA MARIA, BR
268839 2 0 1 Associacao Pro Ensino Superior em Novo Ha
1251 1 16 1 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
22724 1 0 1 PUNTONET S.A., EC
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 520 82 3 KENET-AS, KE
2018 254 220 158 TENET-1, ZA
327700 49 16 1 MoRENet, MZ
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37532 2 20 2 ZAMREN, ZM
37182 1 0 1 TERNET, TZ
37654 1 0 1 RwEdNet-AS, RW
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 520 82 3 KENET-AS, KE
2018 254 220 158 TENET-1, ZA
7497 139 138 8 CSTNET-AS-AP Computer Network Information
4538 112 3596 73 ERX-CERNET-BKB China Education and Resear
668 85 425 70 DNIC-AS-00668, US
2907 79 902 52 SINET-AS Research Organization of Informa
21976 79 49 13 NJEDGE-NET, US
237 76 509 41 MERIT-AS-14, US
7939 60 16 9 UNIVCENTFLA, US
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 139 131 CSTNET-AS-AP Computer Network Information Cente
2018 254 96 TENET-1, ZA
21976 79 66 NJEDGE-NET, US
7939 60 51 UNIVCENTFLA, US
23570 59 48 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
38280 50 48 MONASHUNI-MY-AS-AP Monash University Sunway Cam
327700 49 48 MoRENet, MZ
45773 47 42 HECPERN-AS-PK PERN AS Content Servie Provider,
4538 112 39 ERX-CERNET-BKB China Education and Research Net
32440 41 39 LONI, 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 /12:6
/13:11 /14:19 /15:63 /16:651 /17:136 /18:138
/19:156 /20:232 /21:197 /22:284 /23:280 /24:2212
/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 499 520 KENET-AS, KE
327700 43 49 MoRENet, MZ
3267 33 44 NIKS, RU
46115 32 33 LUTHER, US
25977 30 33 HCCS, US
27609 29 29 USC-UNIVERSITY-HOSPITAL, US
32440 26 41 LONI, US
37215 26 32 MAREN, MW
1968 21 25 UMASSNET-AS1968, US
22742 18 27 CT-EDU-NET, US
Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:2 6:4 8:2 12:1 23:6
24:3 35:7 38:10 40:1 41:248 42:10
44:4 45:38 47:1 49:7 50:3 52:1
58:1 59:19 60:6 61:3 62:3 63:33
64:44 65:1 66:37 67:41 68:12 69:18
70:2 71:1 72:7 74:50 76:42 77:8
80:5 81:1 82:4 83:1 84:2 85:20
86:5 87:1 89:2 91:7 92:2 93:1
96:5 97:1 98:2 101:1 102:2 103:186
104:79 108:10 109:3 111:16 113:2 114:24
116:9 117:61 118:34 119:25 121:26 122:8
123:8 124:43 125:5 128:50 129:29 130:82
131:12 132:41 133:12 134:22 136:1 137:14
138:9 140:2 141:3 142:8 143:16 146:19
152:9 154:14 155:13 161:2 162:2 168:20
180:1 184:1 185:1 192:61 196:101 197:311
198:21 199:3 202:7 203:9 204:4 205:2
206:8 209:3 214:1 218:19 219:1
End of report
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