[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GOREX (IX) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Sep 4 21:30:32 UTC 2023
IPv4 R&E Routing Table Report 21:30 GMT Mon 04 Sep, 2023
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: 2014
Prefixes after maximum aggregation (per Origin AS): 1362
Deaggregation factor: 1.48
Unique aggregates announced (without unneeded subnets): 1569
Number of IPv4 prefixes with a valid ROA: 207
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 1802
Total ASes present in the Internet Routing Table: 264
Prefixes per ASN: 7.63
Origin-only ASes present in the Internet Routing Table: 244
Origin ASes announcing only one prefix: 115
Transit ASes present in the Internet Routing Table: 20
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: 3.2
Max AS path length visible: 11
Max AS path prepend of ASN ( 38319) 9
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: 42572
Number of 32-bit ASNs visible in the Routing Table: 71
Prefixes from 32-bit ASNs in the Routing Table: 153
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: 22866496
Equivalent to 1 /8s, 92 /16s and 234 /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: 99.5
Total number of prefixes smaller than registry allocations: 17
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1689
Total APNIC prefixes after maximum aggregation: 1102
APNIC Deaggregation factor: 1.53
Prefixes being announced from the APNIC address blocks: 1689
Unique aggregates announced from the APNIC address blocks: 1277
APNIC Region origin ASes present in the Internet Routing Table: 231
APNIC Prefixes per ASN: 7.31
APNIC Region origin ASes announcing only one prefix: 107
APNIC Region transit ASes present in the Internet Routing Table: 14
Average APNIC Region AS path length visible: 3.2
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 69
Number of APNIC addresses announced to Internet: 18861632
Equivalent to 1 /8s, 31 /16s and 206 /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: 324
Total ARIN prefixes after maximum aggregation: 259
ARIN Deaggregation factor: 1.25
Prefixes being announced from the ARIN address blocks: 323
Unique aggregates announced from the ARIN address blocks: 290
ARIN Region origin ASes present in the Internet Routing Table: 29
ARIN Prefixes per ASN: 11.14
ARIN Region origin ASes announcing only one prefix: 7
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: 4004352
Equivalent to 0 /8s, 61 /16s and 26 /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: 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, 262144-273820 + 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: 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 602 2162 465 SINET-AS Research Organization of Infor
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 120 AARNET-AS-AP Australian Academic and Re
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
23793 29 49 10 AIST National Institute of Advanced Ind
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
24436 23 27 19 UQ-AS-AP University of Queensland, AU
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
10148 19 20 18 UNIMELB-AS-AP The University of Melbour
38022 19 3 12 REANNZ-NZ-AP REANNZ National Research a
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
668 203 651 172 DNIC-AS-00668, US
37 19 17 5 DNIC-AS-00037, US
6360 14 62 9 UNIVHAWAII, US
518 13 2 7 DNIC-AS-00518, US
13 6 17 6 DNIC-AS-00013, US
89 6 33 6 DNIC-AS-00089, US
121 6 2 3 DNIC-AS-00121, US
22 5 34 5 DNIC-AS-00022, US
84 5 16 5 DNIC-AS-00084, US
252 5 17 5 DNIC-AS-00252, US
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 602 2162 465 SINET-AS Research Organization of Infor
668 203 651 172 DNIC-AS-00668, US
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 120 AARNET-AS-AP Australian Academic and Re
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
23793 29 49 10 AIST National Institute of Advanced Ind
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
24436 23 27 19 UQ-AS-AP University of Queensland, AU
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
37 19 17 5 DNIC-AS-00037, US
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 177 175 KAGAWAU-AS Kagawa University, JP
7575 175 55 AARNET-AS-AP Australian Academic and Research N
668 203 31 DNIC-AS-00668, US
23767 30 20 A-STAR-AS-AP A-STAR, SG
23793 29 19 AIST National Institute of Advanced Industrial
37 19 14 DNIC-AS-00037, US
2506 16 10 SUPERCSI NTT WEST CHUGOKU CORPORATION, JP
37918 15 10 ECL-INET Nippon Telegraph and Telephone Corpora
55354 12 10 ACEINT-AS-AP Ace Internet Services Pty Ltd, AU
134096 27 9 EHEALTHNSW-AS-AP eHealth NSW, AU
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-CIDRnet
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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/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 /16:302 /17:55 /18:46
/19:54 /20:84 /21:105 /22:159 /23:183 /24:996
/25:3 /26:4 /27:1 /28:2 /29:12 /30:3
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2907 7 602 SINET-AS Research Organization of Information a
668 3 203 DNIC-AS-00668, US
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
4717 1 3 AI3 WIDE Project, JP
Complete listing at https://bgp.nsrc.org/REN/GOREX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
6:4 24:2 45:1 49:4 103:80 123:8
128:3 130:7 131:6 132:2 133:152 134:6
138:8 140:3 143:4 147:4 150:5 152:3
155:4 156:5 157:2 160:26 161:4 163:24
192:141 198:21 199:33 200:1 202:229 203:167
204:6 205:7 206:3 207:3 209:3 210:3
214:8 219:4
End of report
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