[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 17 20:00:41 UTC 2022
IPv4 R&E Routing Table Report 20:00 GMT Sat 17 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: 7347
Prefixes after maximum aggregation (per Origin AS): 5046
Deaggregation factor: 1.46
Unique aggregates announced (without unneeded subnets): 5543
Number of IPv4 prefixes with a valid ROA: 2591
Number of IPv4 prefixes with an invalid ROA: 9
Number of IPv4 prefixes with no ROA: 4747
Total ASes present in the Internet Routing Table: 1395
Prefixes per ASN: 5.27
Origin-only ASes present in the Internet Routing Table: 1153
Origin ASes announcing only one prefix: 590
Transit ASes present in the Internet Routing Table: 242
Transit-only ASes present in the Internet Routing Table: 83
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: 12
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: 40928
Number of 32-bit ASNs visible in the Routing Table: 305
Prefixes from 32-bit ASNs in the Routing Table: 797
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: 88004352
Equivalent to 5 /8s, 62 /16s and 215 /24s
Percentage of available address space announced: 2.4
Percentage of allocated address space announced: 2.4
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: 1195
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1621
Total APNIC prefixes after maximum aggregation: 1093
APNIC Deaggregation factor: 1.48
Prefixes being announced from the APNIC address blocks: 1622
Unique aggregates announced from the APNIC address blocks: 1259
APNIC Region origin ASes present in the Internet Routing Table: 229
APNIC Prefixes per ASN: 7.08
APNIC Region origin ASes announcing only one prefix: 106
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: 8
Number of APNIC region 32-bit ASNs visible in the Routing Table: 70
Number of APNIC addresses announced to Internet: 18581504
Equivalent to 1 /8s, 27 /16s and 136 /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: 1287
Total ARIN prefixes after maximum aggregation: 754
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 1296
Unique aggregates announced from the ARIN address blocks: 961
ARIN Region origin ASes present in the Internet Routing Table: 309
ARIN Prefixes per ASN: 4.19
ARIN Region origin ASes announcing only one prefix: 148
ARIN Region transit ASes present in the Internet Routing Table: 83
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 51
Number of ARIN addresses announced to Internet: 9809152
Equivalent to 0 /8s, 149 /16s and 173 /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: 3380
Total RIPE prefixes after maximum aggregation: 2824
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3371
Unique aggregates announced from the RIPE address blocks: 2843
RIPE Region origin ASes present in the Internet Routing Table: 658
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: 138
Number of RIPE addresses announced to Internet: 57681664
Equivalent to 3 /8s, 112 /16s and 39 /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: 466
Total LACNIC prefixes after maximum aggregation: 220
LACNIC Deaggregation factor: 2.12
Prefixes being announced from the LACNIC address blocks: 464
Unique aggregates announced from the LACNIC address blocks: 282
LACNIC Region origin ASes present in the Internet Routing Table: 67
LACNIC Prefixes per ASN: 6.93
LACNIC Region origin ASes announcing only one prefix: 22
LACNIC Region transit ASes present in the Internet Routing Table: 18
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 20
Number of LACNIC addresses announced to Internet: 776448
Equivalent to 0 /8s, 11 /16s and 217 /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: 592
Total AfriNIC prefixes after maximum aggregation: 154
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 592
Unique aggregates announced from the AfriNIC address blocks: 196
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 12.33
AfriNIC Region origin ASes announcing only one prefix: 24
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: 26
Number of AfriNIC addresses announced to Internet: 1155072
Equivalent to 0 /8s, 17 /16s and 160 /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 569 2140 460 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 169 329 118 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
5786 72 5 38 UPRENET, PR
6325 64 169 13 ILLINOIS-CENTURY, US
6360 54 62 7 UNIVHAWAII, US
25977 44 10 15 HCCS, US
46115 34 2 2 LUTHER, US
271 31 24 27 BCNET-AS, CA
3477 25 21 9 NOAA-NWAVE, US
19957 21 64 4 TENNESSEE-NET, US
393750 21 16 1 TRUMAN-STATE-UNIVERSITY, US
16580 19 2 15 ATHABASCA-U, 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 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 45 21 27 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 34 4 3 Universidad Autonoma Metropolitana, MX
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
3597 22 2 16 Fundacion InnovaT, AR
4270 18 2 13 Red de Interconexion Universitaria, AR
27790 17 1 1 Universidad Nacional de Cordoba, AR
278 16 1 14 Universidad Nacional Autonoma de Mexico
1916 15 15 12 Rede Nacional de Ensino e Pesquisa, 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 242 82 3 KENET-AS, KE
2018 97 55 64 TENET-1, ZA
327687 41 28 3 RENU, UG
37182 33 8 1 TERNET, TZ
327700 33 16 1 MoRENet, MZ
2561 29 2 21 EUN, EG
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37654 10 1 6 RwEdNet-AS, RW
37215 6 8 1 MAREN, MW
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 569 2140 460 SINET-AS Research Organization of Infor
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
36914 242 82 3 KENET-AS, KE
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 169 329 118 AARNET-AS-AP Australian Academic and Re
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2018 97 55 64 TENET-1, ZA
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 242 239 KENET-AS, KE
58647 175 173 KAGAWAU-AS Kagawa University, JP
7575 169 51 AARNET-AS-AP Australian Academic and Research N
6325 64 51 ILLINOIS-CENTURY, US
6360 54 47 UNIVHAWAII, US
327687 41 38 RENU, UG
28614 38 36 Fundacao Universidade Regional de Blumenau, BR
5786 72 34 UPRENET, PR
2018 97 33 TENET-1, ZA
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
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 /16:1002 /17:181 /18:159
/19:222 /20:288 /21:394 /22:603 /23:614 /24:3818
/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 229 242 KENET-AS, KE
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
37182 32 33 TERNET, TZ
46115 32 34 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700 28 33 MoRENet, MZ
3267 21 56 RUNNET, RU
31638 21 21 ASN-LEPIDA, IT
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 37:1
38:3 41:142 44:4 45:15 46:5 49:4
62:9 63:2 64:19 66:11 67:36 69:5
74:35 76:4 77:9 78:3 79:10 80:17
81:28 82:8 83:6 84:8 85:42 86:2
87:1 88:1 89:10 91:38 92:1 93:4
94:4 95:4 97:2 98:2 102:10 103:79
104:4 108:1 109:5 123:8 125:1 128:46
129:22 130:11 131:32 132:21 133:146 134:11
136:69 137:25 138:8 139:2 140:7 142:3
143:10 144:1 145:2 146:3 147:7 148:39
150:21 151:2 152:46 153:13 154:11 155:5
156:9 157:4 158:2 159:5 160:25 161:4
162:5 163:20 164:1 166:1 167:9 168:47
170:33 171:1 172:1 173:1 177:5 179:5
180:2 181:1 185:43 187:16 188:13 189:3
190:4 191:25 192:726 193:283 194:145 195:79
196:64 197:146 198:81 199:42 200:71 201:27
202:219 203:163 204:64 205:27 206:37 207:26
208:28 209:30 210:3 212:52 213:5 216:7
217:11 219:5
End of report
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