[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Dec 31 20:00:41 UTC 2022
IPv4 R&E Routing Table Report 20:00 GMT Sat 31 Dec, 2022
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: 7670
Prefixes after maximum aggregation (per Origin AS): 5267
Deaggregation factor: 1.46
Unique aggregates announced (without unneeded subnets): 5750
Number of IPv4 prefixes with a valid ROA: 2657
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 5006
Total ASes present in the Internet Routing Table: 1501
Prefixes per ASN: 5.11
Origin-only ASes present in the Internet Routing Table: 1250
Origin ASes announcing only one prefix: 641
Transit ASes present in the Internet Routing Table: 251
Transit-only ASes present in the Internet Routing Table: 80
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 13
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: 40998
Number of 32-bit ASNs visible in the Routing Table: 340
Prefixes from 32-bit ASNs in the Routing Table: 896
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 90897408
Equivalent to 5 /8s, 106 /16s and 252 /24s
Percentage of available address space announced: 2.5
Percentage of allocated address space announced: 2.5
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: 1209
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1634
Total APNIC prefixes after maximum aggregation: 1096
APNIC Deaggregation factor: 1.49
Prefixes being announced from the APNIC address blocks: 1635
Unique aggregates announced from the APNIC address blocks: 1270
APNIC Region origin ASes present in the Internet Routing Table: 230
APNIC Prefixes per ASN: 7.11
APNIC Region origin ASes announcing only one prefix: 107
APNIC Region transit ASes present in the Internet Routing Table: 16
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: 70
Number of APNIC addresses announced to Internet: 18583296
Equivalent to 1 /8s, 27 /16s and 143 /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: 1569
Total ARIN prefixes after maximum aggregation: 954
ARIN Deaggregation factor: 1.64
Prefixes being announced from the ARIN address blocks: 1577
Unique aggregates announced from the ARIN address blocks: 1166
ARIN Region origin ASes present in the Internet Routing Table: 400
ARIN Prefixes per ASN: 3.94
ARIN Region origin ASes announcing only one prefix: 186
ARIN Region transit ASes present in the Internet Routing Table: 95
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 78
Number of ARIN addresses announced to Internet: 12385024
Equivalent to 0 /8s, 188 /16s and 251 /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: 3391
Total RIPE prefixes after maximum aggregation: 2838
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3382
Unique aggregates announced from the RIPE address blocks: 2856
RIPE Region origin ASes present in the Internet Routing Table: 661
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 290
RIPE Region transit ASes present in the Internet Routing Table: 96
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: 57768960
Equivalent to 3 /8s, 113 /16s and 124 /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: 452
Total LACNIC prefixes after maximum aggregation: 222
LACNIC Deaggregation factor: 2.04
Prefixes being announced from the LACNIC address blocks: 451
Unique aggregates announced from the LACNIC address blocks: 263
LACNIC Region origin ASes present in the Internet Routing Table: 80
LACNIC Prefixes per ASN: 5.64
LACNIC Region origin ASes announcing only one prefix: 34
LACNIC Region transit ASes present in the Internet Routing Table: 19
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 29
Number of LACNIC addresses announced to Internet: 999168
Equivalent to 0 /8s, 15 /16s and 63 /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: 623
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 623
Unique aggregates announced from the AfriNIC address blocks: 193
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 12.71
AfriNIC Region origin ASes announcing only one prefix: 24
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: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 1160448
Equivalent to 0 /8s, 17 /16s and 181 /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 460 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 170 329 118 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
6325 64 169 13 ILLINOIS-CENTURY, US
6360 53 62 7 UNIVHAWAII, US
25977 44 10 15 HCCS, US
18558 40 4 26 NETBLK-RCOEK, US
46115 34 2 2 LUTHER, US
271 32 23 28 BCNET-AS, CA
3450 27 29 4 UTK, US
376 26 3 26 RISQ-AS, CA
3477 26 21 10 NOAA-NWAVE, US
5786 24 2 20 UPRENET, PR
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 1935 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 100 1520 87 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
2715 46 21 28 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 33 2 2 Universidad Autonoma Metropolitana, MX
1916 29 59 22 Rede Nacional de Ensino e Pesquisa, BR
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11340 18 1 16 Red Universitaria Nacional, CL
278 15 1 13 Universidad Nacional Autonoma de Mexico
262742 14 2 1 Fundacao Universidade Federal do ABC -
28609 11 1 5 Instituto Nupef, BR
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
2018 118 56 82 TENET-1, ZA
327687 41 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 575 2140 460 SINET-AS Research Organization of Infor
680 281 1935 249 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 170 329 118 AARNET-AS-AP Australian Academic and Re
2018 118 56 82 TENET-1, ZA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 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 243 240 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
7575 170 52 AARNET-AS-AP Australian Academic and Research N
6325 64 51 ILLINOIS-CENTURY, US
6360 53 46 UNIVHAWAII, US
4270 44 43 Red de Interconexion Universitaria, AR
327687 41 38 RENU, UG
2018 118 36 TENET-1, ZA
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
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-spar
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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 /15:52 /16:1038 /17:199 /18:184
/19:240 /20:303 /21:411 /22:636 /23:674 /24:3919
/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
46115 32 34 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
37182 30 31 TERNET, TZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
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
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 12:1 23:1 24:2 31:7 35:3
38:3 40:1 41:141 44:4 45:13 46:5
49:4 62:9 63:2 64:20 66:10 67:38
69:6 74:39 76:4 77:9 78:3 79:10
80:17 81:28 82:7 83:6 84:8 85:42
86:2 87:1 89:10 91:41 92:1 93:4
94:4 95:4 97:2 98:2 102:10 103:79
104:6 108:1 109:5 123:8 125:1 128:46
129:23 130:7 131:33 132:20 133:149 134:12
136:26 137:27 138:9 139:2 140:8 142:4
143:10 144:1 145:2 146:17 147:10 148:41
149:4 150:21 151:2 152:46 153:12 154:13
155:16 156:10 157:5 158:1 159:5 160:25
161:4 162:5 163:20 164:2 165:1 166:1
167:9 168:49 169:2 170:50 171:1 172:2
173:1 177:6 179:4 180:2 181:1 185:43
186:1 187:2 188:13 189:3 190:2 191:25
192:757 193:305 194:145 195:64 196:65 197:146
198:94 199:52 200:60 201:11 202:223 203:171
204:94 205:31 206:38 207:31 208:28 209:18
210:3 212:57 213:5 216:10 217:11 219:5
End of report
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