[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jan 29 20:00:36 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Sun 29 Jan, 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: 5659
Prefixes after maximum aggregation (per Origin AS): 4071
Deaggregation factor: 1.39
Unique aggregates announced (without unneeded subnets): 4326
Number of IPv4 prefixes with a valid ROA: 2327
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 3327
Total ASes present in the Internet Routing Table: 976
Prefixes per ASN: 5.80
Origin-only ASes present in the Internet Routing Table: 838
Origin ASes announcing only one prefix: 432
Transit ASes present in the Internet Routing Table: 138
Transit-only ASes present in the Internet Routing Table: 24
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 12
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: 41154
Number of 32-bit ASNs visible in the Routing Table: 236
Prefixes from 32-bit ASNs in the Routing Table: 566
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: 77790464
Equivalent to 4 /8s, 162 /16s and 253 /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: 877
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1623
Total APNIC prefixes after maximum aggregation: 1087
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: 225
APNIC Prefixes per ASN: 7.22
APNIC Region origin ASes announcing only one prefix: 104
APNIC Region transit ASes present in the Internet Routing Table: 14
Average APNIC Region AS path length visible: 2.7
Max APNIC Region AS path length visible: 8
Number of APNIC region 32-bit ASNs visible in the Routing Table: 68
Number of APNIC addresses announced to Internet: 18578176
Equivalent to 1 /8s, 27 /16s and 123 /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: 86
Total ARIN prefixes after maximum aggregation: 34
ARIN Deaggregation factor: 2.53
Prefixes being announced from the ARIN address blocks: 93
Unique aggregates announced from the ARIN address blocks: 44
ARIN Region origin ASes present in the Internet Routing Table: 15
ARIN Prefixes per ASN: 6.20
ARIN Region origin ASes announcing only one prefix: 6
ARIN Region transit ASes present in the Internet Routing Table: 6
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 7
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 536320
Equivalent to 0 /8s, 8 /16s and 47 /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: 3369
Total RIPE prefixes after maximum aggregation: 2826
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3360
Unique aggregates announced from the RIPE address blocks: 2841
RIPE Region origin ASes present in the Internet Routing Table: 659
RIPE Prefixes per ASN: 5.10
RIPE Region origin ASes announcing only one prefix: 293
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: 137
Number of RIPE addresses announced to Internet: 57756672
Equivalent to 3 /8s, 113 /16s and 76 /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: 5
Total LACNIC prefixes after maximum aggregation: 5
LACNIC Deaggregation factor: 1.00
Prefixes being announced from the LACNIC address blocks: 5
Unique aggregates announced from the LACNIC address blocks: 5
LACNIC Region origin ASes present in the Internet Routing Table: 4
LACNIC Prefixes per ASN: 1.25
LACNIC Region origin ASes announcing only one prefix: 3
LACNIC Region transit ASes present in the Internet Routing Table: 2
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 7
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1
Number of LACNIC addresses announced to Internet: 1536
Equivalent to 0 /8s, 0 /16s and 6 /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: 576
Total AfriNIC prefixes after maximum aggregation: 119
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 576
Unique aggregates announced from the AfriNIC address blocks: 177
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 11.76
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: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 917504
Equivalent to 0 /8s, 14 /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 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
668 6 0 5 DNIC-AS-00668, US
23369 4 1 4 SCOE, US
395400 4 16 2 UNIVERSITY-GUAM, GU
26100 3 1 3 NOAA-PACIFIC-REGION-CENTER, US
36599 3 0 2 SOFTETHER-AMERICA, US
112 2 0 2 UNASSIGNED
20144 2 0 1 IMRS, US
63398 2 0 2 TWINRIVERS-USD, US
2534 1 0 1 ROCHE-RSN, 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
264785 2 0 2 UNIVERSIDAD NACIONAL DE LANUS, AR
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
20191 1 0 1 Pontificia Universidad Catolica de Chil
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 243 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 29 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
2018 19 1 16 TENET-1, ZA
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 243 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
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
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 243 240 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
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 53 33 SEAP-AGE, ES
680 282 32 DFN Verein zur Foerderung eines Deutschen Forsc
3208 32 31 ARN, DZ
37182 31 30 TERNET, TZ
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 /16:887 /17:122 /18:100
/19:167 /20:228 /21:320 /22:511 /23:512 /24:2748
/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 230 243 KENET-AS, KE
37182 30 31 TERNET, TZ
200521 30 53 SEAP-AGE, ES
327700 27 29 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 41:138 44:4 45:11
46:5 49:4 62:9 77:9 78:3 79:10
80:17 81:28 82:5 83:6 84:11 85:42
86:2 87:1 89:10 91:36 92:2 93:4
94:4 95:4 102:14 103:79 109:3 123:8
125:1 128:35 129:8 130:5 131:15 132:6
133:149 134:6 136:1 137:24 138:8 140:5
143:7 145:2 146:2 147:4 148:6 150:5
151:2 152:4 153:12 154:6 155:4 156:8
157:2 159:1 160:25 161:4 163:19 168:17
170:2 171:1 180:2 185:42 188:13 192:600
193:343 194:144 195:87 196:16 197:147 199:2
200:2 202:223 203:166 205:3 206:1 210:3
212:44 213:5 217:11 219:5
End of report
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