[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Feb 5 20:00:39 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Sun 05 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: 6639
Prefixes after maximum aggregation (per Origin AS): 4672
Deaggregation factor: 1.42
Unique aggregates announced (without unneeded subnets): 5091
Number of IPv4 prefixes with a valid ROA: 2572
Number of IPv4 prefixes with an invalid ROA: 34
Number of IPv4 prefixes with no ROA: 4033
Total ASes present in the Internet Routing Table: 1225
Prefixes per ASN: 5.42
Origin-only ASes present in the Internet Routing Table: 1005
Origin ASes announcing only one prefix: 513
Transit ASes present in the Internet Routing Table: 220
Transit-only ASes present in the Internet Routing Table: 78
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 14
Max AS path prepend of ASN ( 20537) 9
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 41198
Number of 32-bit ASNs visible in the Routing Table: 274
Prefixes from 32-bit ASNs in the Routing Table: 649
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: 84569088
Equivalent to 5 /8s, 10 /16s and 108 /24s
Percentage of available address space announced: 2.3
Percentage of allocated address space announced: 2.3
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: 962
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1628
Total APNIC prefixes after maximum aggregation: 1090
APNIC Deaggregation factor: 1.49
Prefixes being announced from the APNIC address blocks: 1629
Unique aggregates announced from the APNIC address blocks: 1265
APNIC Region origin ASes present in the Internet Routing Table: 226
APNIC Prefixes per ASN: 7.21
APNIC Region origin ASes announcing only one prefix: 104
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: 69
Number of APNIC addresses announced to Internet: 18564096
Equivalent to 1 /8s, 27 /16s and 68 /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: 558
Total ARIN prefixes after maximum aggregation: 397
ARIN Deaggregation factor: 1.41
Prefixes being announced from the ARIN address blocks: 566
Unique aggregates announced from the ARIN address blocks: 463
ARIN Region origin ASes present in the Internet Routing Table: 162
ARIN Prefixes per ASN: 3.49
ARIN Region origin ASes announcing only one prefix: 75
ARIN Region transit ASes present in the Internet Routing Table: 64
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 26
Number of ARIN addresses announced to Internet: 6354176
Equivalent to 0 /8s, 96 /16s and 245 /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: 2841
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3381
Unique aggregates announced from the RIPE address blocks: 2859
RIPE Region origin ASes present in the Internet Routing Table: 663
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: 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: 139
Number of RIPE addresses announced to Internet: 57761024
Equivalent to 3 /8s, 113 /16s and 93 /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: 501
Total LACNIC prefixes after maximum aggregation: 229
LACNIC Deaggregation factor: 2.19
Prefixes being announced from the LACNIC address blocks: 500
Unique aggregates announced from the LACNIC address blocks: 350
LACNIC Region origin ASes present in the Internet Routing Table: 49
LACNIC Prefixes per ASN: 10.20
LACNIC Region origin ASes announcing only one prefix: 18
LACNIC Region transit ASes present in the Internet Routing Table: 20
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 14
Number of LACNIC addresses announced to Internet: 784128
Equivalent to 0 /8s, 11 /16s and 247 /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: 562
Total AfriNIC prefixes after maximum aggregation: 114
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 562
Unique aggregates announced from the AfriNIC address blocks: 153
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 12.22
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 1105408
Equivalent to 0 /8s, 16 /16s and 222 /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 574 2140 459 SINET-AS Research Organization of Infor
58647 175 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
11206 29 5 22 FSU-AS-1, US
3477 24 21 11 NOAA-NWAVE, US
3479 21 385 14 PEACHNET-AS3479, US
806 16 1 12 SSC-299-806, CA
14977 15 145 11 STATE-OF-WYOMING-ASN, US
2648 14 29 14 NOAA-BOULDER, US
55032 14 1 5 JAXNET-BH-01, US
3464 13 13 10 ASC-NET, US
15318 12 52 10 MCGILL-AS, CA
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
680 281 1919 249 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,
11340 74 21 41 Red Universitaria Nacional, CL
4270 44 16 1 Red de Interconexion Universitaria, AR
3596 34 4 3 Universidad Autonoma Metropolitana, MX
20191 28 16 1 Pontificia Universidad Catolica de Chil
28571 27 37 11 UNIVERSIDADE DE SAO PAULO, BR
278 16 1 14 Universidad Nacional Autonoma de Mexico
52888 12 1 9 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
23140 11 5 11 Universidad de Chile, CL
263683 11 2 9 Universidad de Costa Rica, CR
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 248 82 3 KENET-AS, KE
2018 59 52 44 TENET-1, ZA
327687 43 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
2561 7 0 5 EUN, EG
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 574 2140 459 SINET-AS Research Organization of Infor
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 248 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 119 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 248 245 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
7575 171 52 AARNET-AS-AP Australian Academic and Research N
6360 54 47 UNIVHAWAII, US
4270 44 43 Red de Interconexion Universitaria, AR
327687 43 40 RENU, UG
11340 74 33 Red Universitaria Nacional, CL
200521 54 33 SEAP-AGE, ES
680 281 32 DFN Verein zur Foerderung eines Deutschen Forsc
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-badAS
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 /14:10 /15:59 /16:952 /17:140 /18:110
/19:183 /20:254 /21:350 /22:588 /23:596 /24:3392
/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 235 248 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
8895 14 14 ISU Internet Services Unit ISU, SA
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 38:1 41:139
44:4 45:13 46:5 49:4 62:9 64:13
66:1 69:3 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 95:2 97:1 102:12 103:79
104:6 109:4 123:8 125:1 128:39 129:13
130:9 131:17 132:21 133:148 134:9 136:5
137:26 138:8 140:7 143:14 145:2 146:96
147:4 148:191 150:8 151:2 152:7 153:12
154:7 155:4 156:8 157:2 159:3 160:25
161:5 163:22 168:42 170:38 171:1 172:1
173:1 177:2 179:5 180:2 181:1 185:43
187:2 188:13 190:1 192:665 193:305 194:146
195:66 196:30 197:152 198:26 199:13 200:41
201:1 202:223 203:173 204:44 205:17 206:2
207:1 209:1 210:3 212:58 213:5 216:12
217:11 219:5
End of report
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