[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GOREX (IX) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 18 21:30:33 UTC 2024
IPv4 R&E Routing Table Report 21:30 GMT Tue 18 Jun, 2024
IPv4 BGP Table (IX) as seen at GOREX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GOREX/
Analysis Summary
----------------
BGP routing table entries examined: 2066
Prefixes after maximum aggregation (per Origin AS): 1392
Deaggregation factor: 1.48
Unique aggregates announced (without unneeded subnets): 1585
Number of IPv4 prefixes with a valid ROA: 283
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 1780
Total ASes present in the Internet Routing Table: 298
Prefixes per ASN: 6.93
Origin-only ASes present in the Internet Routing Table: 279
Origin ASes announcing only one prefix: 135
Transit ASes present in the Internet Routing Table: 19
Transit-only ASes present in the Internet Routing Table: 3
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 9
Max AS path prepend of ASN ( 23793) 5
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 44780
Number of 32-bit ASNs visible in the Routing Table: 97
Prefixes from 32-bit ASNs in the Routing Table: 204
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: 22639680
Equivalent to 1 /8s, 89 /16s and 116 /24s
Percentage of available address space announced: 0.6
Percentage of allocated address space announced: 0.6
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: 16
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1743
Total APNIC prefixes after maximum aggregation: 1133
APNIC Deaggregation factor: 1.54
Prefixes being announced from the APNIC address blocks: 1740
Unique aggregates announced from the APNIC address blocks: 1290
APNIC Region origin ASes present in the Internet Routing Table: 266
APNIC Prefixes per ASN: 6.54
APNIC Region origin ASes announcing only one prefix: 128
APNIC Region transit ASes present in the Internet Routing Table: 14
Average APNIC Region AS path length visible: 3.3
Max APNIC Region AS path length visible: 9
Number of APNIC region 32-bit ASNs visible in the Routing Table: 95
Number of APNIC addresses announced to Internet: 18640704
Equivalent to 1 /8s, 28 /16s and 111 /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: 322
Total ARIN prefixes after maximum aggregation: 258
ARIN Deaggregation factor: 1.25
Prefixes being announced from the ARIN address blocks: 322
Unique aggregates announced from the ARIN address blocks: 292
ARIN Region origin ASes present in the Internet Routing Table: 28
ARIN Prefixes per ASN: 11.50
ARIN Region origin ASes announcing only one prefix: 6
ARIN Region transit ASes present in the Internet Routing Table: 4
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 5
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 3990528
Equivalent to 0 /8s, 60 /16s and 228 /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: 0
Total RIPE prefixes after maximum aggregation: 0
RIPE Deaggregation factor: -nan
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 0
RIPE Prefixes per ASN: -nan
RIPE Region origin ASes announcing only one prefix: 0
RIPE Region transit ASes present in the Internet Routing Table: 0
Average RIPE Region AS path length visible: -nan
Max RIPE Region AS path length visible: 0
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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: 1
Total LACNIC prefixes after maximum aggregation: 1
LACNIC Deaggregation factor: 1.00
Prefixes being announced from the LACNIC address blocks: 1
Unique aggregates announced from the LACNIC address blocks: 1
LACNIC Region origin ASes present in the Internet Routing Table: 1
LACNIC Prefixes per ASN: 1.00
LACNIC Region origin ASes announcing only one prefix: 1
LACNIC Region transit ASes present in the Internet Routing Table: 0
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 6
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 256
Equivalent to 0 /8s, 0 /16s and 1 /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: 0
Total AfriNIC prefixes after maximum aggregation: 0
AfriNIC Deaggregation factor: -nan
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 0
AfriNIC Prefixes per ASN: -nan
AfriNIC Region origin ASes announcing only one prefix: 0
AfriNIC Region transit ASes present in the Internet Routing Table: 0
Average AfriNIC Region AS path length visible: -nan
Max AfriNIC Region AS path length visible: 0
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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 600 2162 464 SINET-AS Research Organization of Infor
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 115 UNASSIGNED
134096 30 3 18 UNASSIGNED
23793 29 49 10 AIST National Institute of Advanced Ind
24436 23 27 20 UNASSIGNED
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
10148 18 20 18 UNASSIGNED
38142 17 1 1 UNASSIGNED
2506 16 52 6 SUPERCSI NTT WEST CHUGOKU CORPORATION,
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 204 648 173 UNASSIGNED
37 17 17 5 UNASSIGNED
518 13 2 7 UNASSIGNED
6360 13 62 9 UNIVHAWAII, US
13 6 17 6 UNASSIGNED
89 6 33 6 UNASSIGNED
121 6 2 3 UNASSIGNED
22 5 34 5 UNASSIGNED
84 5 16 5 UNASSIGNED
252 5 17 5 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10906 1 0 1 Nucleo de Inf. e Coord. do Ponto BR - N
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 600 2162 464 SINET-AS Research Organization of Infor
668 204 648 173 UNASSIGNED
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 115 UNASSIGNED
134096 30 3 18 UNASSIGNED
23793 29 49 10 AIST National Institute of Advanced Ind
24436 23 27 20 UNASSIGNED
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
10148 18 20 18 UNASSIGNED
37 17 17 5 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
58647 182 180 KAGAWAU-AS Kagawa University, JP
7575 170 55 UNASSIGNED
668 204 31 UNASSIGNED
23793 29 19 AIST National Institute of Advanced Industrial
38142 17 16 UNASSIGNED
134096 30 12 UNASSIGNED
37 17 12 UNASSIGNED
2506 16 10 SUPERCSI NTT WEST CHUGOKU CORPORATION, JP
55354 12 10 UNASSIGNED
37918 14 9 ECL-INET Nippon Telegraph and Telephone Corpora
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-CIDRnet
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
202.46.0.0/20 Origin: 147171 UNASSIGNED
202.46.0.0/20 Transit: 64302 UNASSIGNED
202.46.240.0/20 Origin: 147171 UNASSIGNED
202.46.240.0/20 Transit: 64302 UNASSIGNED
202.46.245.0/24 Origin: 147171 UNASSIGNED
202.46.245.0/24 Transit: 64302 UNASSIGNED
Complete listing at https://bgp.nsrc.org/REN/GOREX/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 /9:0 /10:0 /11:0 /12:0
/13:0 /14:0 /15:2 /16:299 /17:57 /18:46
/19:54 /20:86 /21:105 /22:157 /23:190 /24:1042
/25:2 /26:4 /27:2 /28:2 /29:12 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2907 7 600 SINET-AS Research Organization of Information a
668 3 204 UNASSIGNED
36599 2 3 SOFTETHER-AMERICA, US
45688 2 7 UT-NSRG The University of Tokyo Interfaculty In
55909 2 3 KOCHI-CT National Institute of Technology, Koch
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
6:4 24:2 44:1 45:1 49:4 103:129
128:3 130:8 131:6 132:1 133:157 134:7
138:8 140:2 143:4 147:4 150:4 152:3
155:3 156:7 157:3 160:26 161:4 163:16
167:3 175:7 192:127 198:20 199:32 200:1
202:228 203:162 204:7 205:7 206:3 207:3
209:3 210:20 214:8 219:4
End of report
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