[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Feb 23 20:00:41 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Thu 23 Feb, 2023
IPv4 BGP Table (R&E) as seen at SingAREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/SingAREN/
Analysis Summary
----------------
BGP routing table entries examined: 5866
Prefixes after maximum aggregation (per Origin AS): 4176
Deaggregation factor: 1.40
Unique aggregates announced (without unneeded subnets): 4476
Number of IPv4 prefixes with a valid ROA: 2376
Number of IPv4 prefixes with an invalid ROA: 2
Number of IPv4 prefixes with no ROA: 3488
Total ASes present in the Internet Routing Table: 1046
Prefixes per ASN: 5.61
Origin-only ASes present in the Internet Routing Table: 880
Origin ASes announcing only one prefix: 455
Transit ASes present in the Internet Routing Table: 166
Transit-only ASes present in the Internet Routing Table: 46
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 14
Max AS path prepend of ASN ( 20537) 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: 41252
Number of 32-bit ASNs visible in the Routing Table: 250
Prefixes from 32-bit ASNs in the Routing Table: 615
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: 79061760
Equivalent to 4 /8s, 182 /16s and 99 /24s
Percentage of available address space announced: 2.1
Percentage of allocated address space announced: 2.1
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: 908
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1623
Total APNIC prefixes after maximum aggregation: 1088
APNIC Deaggregation factor: 1.49
Prefixes being announced from the APNIC address blocks: 1624
Unique aggregates announced from the APNIC address blocks: 1258
APNIC Region origin ASes present in the Internet Routing Table: 226
APNIC Prefixes per ASN: 7.19
APNIC Region origin ASes announcing only one prefix: 107
APNIC Region transit ASes present in the Internet Routing Table: 12
Average APNIC Region AS path length visible: 2.6
Max APNIC Region AS path length visible: 8
Number of APNIC region 32-bit ASNs visible in the Routing Table: 70
Number of APNIC addresses announced to Internet: 18578688
Equivalent to 1 /8s, 27 /16s and 125 /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: 187
Total ARIN prefixes after maximum aggregation: 102
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 194
Unique aggregates announced from the ARIN address blocks: 130
ARIN Region origin ASes present in the Internet Routing Table: 50
ARIN Prefixes per ASN: 3.88
ARIN Region origin ASes announcing only one prefix: 23
ARIN Region transit ASes present in the Internet Routing Table: 29
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 9
Number of ARIN region 32-bit ASNs visible in the Routing Table: 7
Number of ARIN addresses announced to Internet: 1653504
Equivalent to 0 /8s, 25 /16s and 59 /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: 3374
Total RIPE prefixes after maximum aggregation: 2830
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3365
Unique aggregates announced from the RIPE address blocks: 2847
RIPE Region origin ASes present in the Internet Routing Table: 664
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 296
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 140
Number of RIPE addresses announced to Internet: 57769472
Equivalent to 3 /8s, 113 /16s and 126 /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: 21
Total LACNIC prefixes after maximum aggregation: 14
LACNIC Deaggregation factor: 1.50
Prefixes being announced from the LACNIC address blocks: 21
Unique aggregates announced from the LACNIC address blocks: 15
LACNIC Region origin ASes present in the Internet Routing Table: 12
LACNIC Prefixes per ASN: 1.75
LACNIC Region origin ASes announcing only one prefix: 7
LACNIC Region transit ASes present in the Internet Routing Table: 5
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 7
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5
Number of LACNIC addresses announced to Internet: 17152
Equivalent to 0 /8s, 0 /16s and 67 /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: 661
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 661
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 13.77
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 1042688
Equivalent to 0 /8s, 15 /16s and 233 /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 577 2140 461 SINET-AS Research Organization of Infor
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 119 AARNET-AS-AP Australian Academic and Re
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
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 18 3 13 REANNZ-NZ-AP REANNZ National Research a
2506 16 52 6 SUPERCSI NTT WEST CHUGOKU CORPORATION,
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6360 54 62 7 UNIVHAWAII, US
611 13 18 8 NECN-1-611, CA
15318 12 52 10 MCGILL-AS, CA
11252 8 17 2 ISU-NET-AS, US
668 7 1 6 DNIC-AS-00668, US
15196 7 16 1 MDDOT, US
397797 6 1 1 CITYOFMARSHALL-01, US
92 4 16 1 CLARKSON-AS, US
237 4 1 4 MERIT-AS-14, US
5739 4 32 4 UCSC, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
3267 56 63 41 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
264630 5 0 1 Universidad Nacional de Jujuy, AR
52890 3 1 1 Centro Integrado de Telematica do Exerc
52888 2 0 2 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
264724 2 0 1 Universidad Nacional Andres Bello, CL
264785 2 0 2 UNIVERSIDAD NACIONAL DE LANUS, AR
1251 1 0 1 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
1916 1 2 1 Rede Nacional de Ensino e Pesquisa, BR
10906 1 0 1 Nucleo de Inf. e Coord. do Ponto BR - N
14650 1 0 1 Nucleo de Inf. e Coord. do Ponto BR - N
26610 1 0 1 Universidad Tecnica Federico Santa Mari
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 252 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 60 28 3 RENU, UG
2018 58 21 37 TENET-1, ZA
327700 33 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
8094 11 12 4 PUKNET, ZA
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 577 2140 461 SINET-AS Research Organization of Infor
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 252 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 119 AARNET-AS-AP Australian Academic and Re
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 252 249 KENET-AS, KE
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 60 57 RENU, UG
7575 171 52 AARNET-AS-AP Australian Academic and Research N
6360 54 47 UNIVHAWAII, US
680 282 33 DFN Verein zur Foerderung eines Deutschen Forsc
2561 67 33 EUN, EG
200521 53 33 SEAP-AGE, ES
327700 33 32 MoRENet, MZ
3208 32 31 ARN, DZ
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
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
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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 /12:3
/13:2 /14:9 /15:50 /16:902 /17:129 /18:105
/19:173 /20:238 /21:324 /22:529 /23:536 /24:2866
/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 239 252 KENET-AS, KE
37182 31 32 TERNET, TZ
200521 30 53 SEAP-AGE, ES
327700 28 33 MoRENet, MZ
3267 21 56 RUNNET, RU
31638 21 21 ASN-LEPIDA, IT
3233 20 30 ICI-ROTLD Romanian National R&D Network, RO
2614 17 94 ROEDUNET, RO
28949 15 15 TUSNET-AS 8, Kliment Ohridski St., BG
60187 14 35 LGFL-AS, GB
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 24:2 31:7 35:3 41:141 44:4
45:13 46:5 49:1 62:10 69:1 74:4
76:1 77:9 78:3 79:10 80:17 81:28
82:6 83:6 84:10 85:42 86:2 87:1
89:10 91:39 92:2 93:4 94:4 95:2
102:16 103:80 109:4 123:8 125:1 128:35
129:8 130:6 131:15 132:6 133:149 134:7
136:2 137:38 138:8 140:8 143:7 145:2
146:3 147:4 148:6 150:5 151:2 152:3
153:12 154:8 155:4 156:8 157:2 159:1
160:26 161:4 163:19 164:1 168:7 169:1
170:10 171:1 172:1 177:1 179:1 180:2
185:42 188:12 192:610 193:344 194:144 195:88
196:52 197:155 198:13 199:5 200:6 202:220
203:166 204:2 205:4 209:1 210:3 212:44
213:5 217:11 219:5
End of report
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