[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Feb 4 20:00:41 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Sat 04 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: 6658
Prefixes after maximum aggregation (per Origin AS): 4657
Deaggregation factor: 1.43
Unique aggregates announced (without unneeded subnets): 5105
Number of IPv4 prefixes with a valid ROA: 2579
Number of IPv4 prefixes with an invalid ROA: 34
Number of IPv4 prefixes with no ROA: 4045
Total ASes present in the Internet Routing Table: 1214
Prefixes per ASN: 5.48
Origin-only ASes present in the Internet Routing Table: 997
Origin ASes announcing only one prefix: 507
Transit ASes present in the Internet Routing Table: 217
Transit-only ASes present in the Internet Routing Table: 76
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: 41192
Number of 32-bit ASNs visible in the Routing Table: 274
Prefixes from 32-bit ASNs in the Routing Table: 650
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: 84283136
Equivalent to 5 /8s, 6 /16s and 15 /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: 969
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: 552
Total ARIN prefixes after maximum aggregation: 372
ARIN Deaggregation factor: 1.48
Prefixes being announced from the ARIN address blocks: 560
Unique aggregates announced from the ARIN address blocks: 458
ARIN Region origin ASes present in the Internet Routing Table: 150
ARIN Prefixes per ASN: 3.73
ARIN Region origin ASes announcing only one prefix: 69
ARIN Region transit ASes present in the Internet Routing Table: 62
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: 23
Number of ARIN addresses announced to Internet: 6061824
Equivalent to 0 /8s, 92 /16s and 127 /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: 3388
Total RIPE prefixes after maximum aggregation: 2841
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3380
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: 522
Total LACNIC prefixes after maximum aggregation: 239
LACNIC Deaggregation factor: 2.18
Prefixes being announced from the LACNIC address blocks: 521
Unique aggregates announced from the LACNIC address blocks: 369
LACNIC Region origin ASes present in the Internet Routing Table: 52
LACNIC Prefixes per ASN: 10.02
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: 7.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 17
Number of LACNIC addresses announced to Internet: 790784
Equivalent to 0 /8s, 12 /16s and 17 /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: 567
Total AfriNIC prefixes after maximum aggregation: 114
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 567
Unique aggregates announced from the AfriNIC address blocks: 153
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 12.33
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: 1105152
Equivalent to 0 /8s, 16 /16s and 221 /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
5786 57 4 23 UPRENET, PR
6360 54 62 7 UNIVHAWAII, 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 87 22 45 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 250 82 3 KENET-AS, KE
2018 59 52 44 TENET-1, ZA
327687 44 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
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 250 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 250 247 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
11340 87 42 Red Universitaria Nacional, CL
327687 44 41 RENU, UG
5786 57 34 UPRENET, PR
200521 54 33 SEAP-AGE, ES
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 /16:948 /17:140 /18:110
/19:182 /20:254 /21:348 /22:582 /23:580 /24:3440
/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 237 250 KENET-AS, KE
200521 31 54 SEAP-AGE, ES
37182 30 31 TERNET, TZ
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 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 38:1 41:140 44:4
45:12 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 97:1 102:13 103:79 104:6
109:4 123:8 125:1 128:39 129:13 130:9
131:17 132:21 133:148 134:9 136:53 137:27
138:8 140:7 143:14 145:2 146:108 147:4
148:191 150:8 151:2 152:7 153:12 154:7
155:4 156:8 157:2 159:3 160:25 161:4
163:22 168:42 170:40 171:1 172:1 173:1
177:2 179:8 180:2 181:1 185:43 187:2
188:13 190:1 192:659 193:305 194:146 195:66
196:32 197:153 198:21 199:13 200:41 201:1
202:223 203:173 204:38 205:17 206:2 209:1
210:3 212:58 213:5 216:12 217:11 219:5
End of report
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