[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Feb 1 20:00:39 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Wed 01 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: 6095
Prefixes after maximum aggregation (per Origin AS): 4332
Deaggregation factor: 1.41
Unique aggregates announced (without unneeded subnets): 4701
Number of IPv4 prefixes with a valid ROA: 2371
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 3719
Total ASes present in the Internet Routing Table: 1088
Prefixes per ASN: 5.60
Origin-only ASes present in the Internet Routing Table: 900
Origin ASes announcing only one prefix: 467
Transit ASes present in the Internet Routing Table: 188
Transit-only ASes present in the Internet Routing Table: 62
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.8
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: 41162
Number of 32-bit ASNs visible in the Routing Table: 251
Prefixes from 32-bit ASNs in the Routing Table: 598
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: 79101952
Equivalent to 4 /8s, 183 /16s and 0 /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: 915
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1629
Total APNIC prefixes after maximum aggregation: 1089
APNIC Deaggregation factor: 1.50
Prefixes being announced from the APNIC address blocks: 1630
Unique aggregates announced from the APNIC address blocks: 1264
APNIC Region origin ASes present in the Internet Routing Table: 225
APNIC Prefixes per ASN: 7.24
APNIC Region origin ASes announcing only one prefix: 103
APNIC Region transit ASes present in the Internet Routing Table: 15
Average APNIC Region AS path length visible: 2.7
Max APNIC Region AS path length visible: 9
Number of APNIC region 32-bit ASNs visible in the Routing Table: 68
Number of APNIC addresses announced to Internet: 18563584
Equivalent to 1 /8s, 27 /16s and 66 /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: 205
Total ARIN prefixes after maximum aggregation: 137
ARIN Deaggregation factor: 1.50
Prefixes being announced from the ARIN address blocks: 212
Unique aggregates announced from the ARIN address blocks: 154
ARIN Region origin ASes present in the Internet Routing Table: 69
ARIN Prefixes per ASN: 3.07
ARIN Region origin ASes announcing only one prefix: 36
ARIN Region transit ASes present in the Internet Routing Table: 40
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 10
Number of ARIN region 32-bit ASNs visible in the Routing Table: 10
Number of ARIN addresses announced to Internet: 1356032
Equivalent to 0 /8s, 20 /16s and 177 /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: 3389
Total RIPE prefixes after maximum aggregation: 2838
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3380
Unique aggregates announced from the RIPE address blocks: 2857
RIPE Region origin ASes present in the Internet Routing Table: 660
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 291
RIPE Region transit ASes present in the Internet Routing Table: 97
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: 138
Number of RIPE addresses announced to Internet: 57760768
Equivalent to 3 /8s, 113 /16s and 92 /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: 256
Total LACNIC prefixes after maximum aggregation: 126
LACNIC Deaggregation factor: 2.03
Prefixes being announced from the LACNIC address blocks: 256
Unique aggregates announced from the LACNIC address blocks: 216
LACNIC Region origin ASes present in the Internet Routing Table: 23
LACNIC Prefixes per ASN: 11.13
LACNIC Region origin ASes announcing only one prefix: 11
LACNIC Region transit ASes present in the Internet Routing Table: 13
Average LACNIC Region AS path length visible: 8.3
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7
Number of LACNIC addresses announced to Internet: 298240
Equivalent to 0 /8s, 4 /16s and 141 /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: 616
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 616
Unique aggregates announced from the AfriNIC address blocks: 209
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 12.57
AfriNIC Region origin ASes announcing only one prefix: 26
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: 1123072
Equivalent to 0 /8s, 17 /16s and 35 /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 575 2140 459 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 119 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
806 16 1 12 SSC-299-806, CA
81 6 64 5 NCREN, US
668 6 0 5 DNIC-AS-00668, US
2680 6 1 6 CDAGOVN, CA
4310 6 1 1 SCC-FL-EDU, US
195 5 1 5 SDSC-AS, US
23369 4 1 4 SCOE, US
25689 4 0 4 SSC-299-25689, CA
26020 4 0 4 STSCI-NET, 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 250 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
3596 34 4 3 Universidad Autonoma Metropolitana, MX
278 16 1 14 Universidad Nacional Autonoma de Mexico
52888 10 1 9 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
264471 9 1 4 UNIVERSIDADE ESTADUAL DO OESTE DO PARAN
28027 6 2 5 Escuela Superior Politecnica del Litora
3640 4 14 4 C I C E S E, MX
28193 4 5 2 UNIVERSIDADE ESTADUAL DE LONDRINA, BR
263282 3 1 2 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
8151 2 0 2 Uninet S.A. de C.V., MX
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 249 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
2018 51 51 39 TENET-1, ZA
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37654 10 1 6 RwEdNet-AS, RW
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 575 2140 459 SINET-AS Research Organization of Infor
680 282 1919 250 DFN Verein zur Foerderung eines Deutsch
36914 249 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 119 AARNET-AS-AP Australian Academic and Re
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
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 249 246 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
7575 172 53 AARNET-AS-AP Australian Academic and Research N
6360 54 47 UNIVHAWAII, US
327687 44 41 RENU, UG
2561 67 33 EUN, EG
200521 54 33 SEAP-AGE, ES
680 282 32 DFN Verein zur Foerderung eines Deutschen Forsc
3596 34 31 Universidad Autonoma Metropolitana, MX
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 /16:899 /17:132 /18:103
/19:174 /20:233 /21:325 /22:526 /23:542 /24:3097
/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 236 249 KENET-AS, KE
200521 31 54 SEAP-AGE, ES
37182 30 31 TERNET, TZ
327700 28 31 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 95 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 41:140 44:4 45:13
46:5 49:4 62:9 69:1 74:1 76:1
77:9 78:3 79:10 80:17 81:28 82:6
83:6 84:11 85:42 86:2 87:1 89:10
91:37 92:2 93:4 94:4 95:4 102:14
103:79 109:4 123:8 125:1 128:36 129:9
130:10 131:16 132:20 133:149 134:6 136:2
137:27 138:8 140:5 143:7 145:2 146:2
147:4 148:191 150:8 151:2 152:7 153:12
154:8 155:4 156:8 157:2 159:3 160:25
161:4 163:19 167:1 168:17 170:3 171:1
172:1 173:1 177:1 180:2 181:1 185:43
187:1 188:13 192:618 193:343 194:146 195:88
196:25 197:152 198:13 199:10 200:18 201:1
202:223 203:173 204:1 205:16 206:2 210:3
212:55 213:5 216:5 217:10 219:5
End of report
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