[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 17 20:00:42 UTC 2024
IPv4 R&E Routing Table Report 20:00 GMT Wed 17 Apr, 2024
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: 30831
Prefixes after maximum aggregation (per Origin AS): 19368
Deaggregation factor: 1.59
Unique aggregates announced (without unneeded subnets): 22383
Number of IPv4 prefixes with a valid ROA: 15311
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 15515
Total ASes present in the Internet Routing Table: 4760
Prefixes per ASN: 6.48
Origin-only ASes present in the Internet Routing Table: 4061
Origin ASes announcing only one prefix: 1985
Transit ASes present in the Internet Routing Table: 699
Transit-only ASes present in the Internet Routing Table: 127
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 33
Max AS path prepend of ASN ( 12966) 28
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 44166
Number of 32-bit ASNs visible in the Routing Table: 1548
Prefixes from 32-bit ASNs in the Routing Table: 5163
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: 6
Number of addresses announced to Internet: 227707136
Equivalent to 13 /8s, 146 /16s and 137 /24s
Percentage of available address space announced: 6.2
Percentage of allocated address space announced: 6.2
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: 7598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5028
Total APNIC prefixes after maximum aggregation: 2557
APNIC Deaggregation factor: 1.97
Prefixes being announced from the APNIC address blocks: 4872
Unique aggregates announced from the APNIC address blocks: 2800
APNIC Region origin ASes present in the Internet Routing Table: 635
APNIC Prefixes per ASN: 7.67
APNIC Region origin ASes announcing only one prefix: 271
APNIC Region transit ASes present in the Internet Routing Table: 68
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 274
Number of APNIC addresses announced to Internet: 45759488
Equivalent to 2 /8s, 186 /16s and 60 /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, 131072-153913
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: 10959
Total ARIN prefixes after maximum aggregation: 6452
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 10741
Unique aggregates announced from the ARIN address blocks: 7205
ARIN Region origin ASes present in the Internet Routing Table: 1300
ARIN Prefixes per ASN: 8.26
ARIN Region origin ASes announcing only one prefix: 459
ARIN Region transit ASes present in the Internet Routing Table: 169
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 215
Number of ARIN addresses announced to Internet: 105052672
Equivalent to 6 /8s, 66 /16s and 250 /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, 393216-402332
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: 12658
Total RIPE prefixes after maximum aggregation: 9632
RIPE Deaggregation factor: 1.31
Prefixes being announced from the RIPE address blocks: 12961
Unique aggregates announced from the RIPE address blocks: 11333
RIPE Region origin ASes present in the Internet Routing Table: 2495
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 1178
RIPE Region transit ASes present in the Internet Routing Table: 393
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 979
Number of RIPE addresses announced to Internet: 69977856
Equivalent to 4 /8s, 43 /16s and 199 /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
196608-216475
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: 1390
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1391
Unique aggregates announced from the LACNIC address blocks: 762
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.43
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4300288
Equivalent to 0 /8s, 65 /16s and 158 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 781
Total AfriNIC prefixes after maximum aggregation: 153
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 860
Unique aggregates announced from the AfriNIC address blocks: 278
AfriNIC Region origin ASes present in the Internet Routing Table: 35
AfriNIC Prefixes per ASN: 24.57
AfriNIC Region origin ASes announcing only one prefix: 19
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2607872
Equivalent to 0 /8s, 39 /16s and 203 /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 591 2162 464 SINET-AS Research Organization of Infor
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
136787 120 8 94 TEFINCOMSA-AS-AP TEFINCOM S.A., PA
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
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
16509 2300 3630 1540 AMAZON-02, US
2152 481 507 96 CSUNET-NW, US
2920 224 44 46 LACOE, US
668 203 648 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 108 7 22 OCDE, US
16625 80 33 80 AKAMAI-AS, 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
58061 499 35 378 SCALAXY-AS, LV
212238 457 35 406 CDNEXT, GB
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
58224 232 144 196 TCI, IR
25184 215 14 24 AFRANET from AS58267 accept AS58267, IR
786 186 1767 183 JANET Jisc Services Limited, GB
8895 134 24 5 ISU Internet Services Unit ISU, SA
197207 129 97 69 MCCI-AS, IR
48314 116 9 55 IP-PROJECTS, DE
559 114 533 104 SWITCH Peering requests: peering at switch
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 152 10 66 Universidad Juarez Autonoma de Tabasco,
1916 141 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 108 25 51 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
2018 380 319 71 TENET-1, ZA
36914 203 82 3 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
36982 8 33 8 UCT, ZA
31960 5 1 1 EMUNET, MZ
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
16509 2300 3630 1540 AMAZON-02, US
2907 591 2162 464 SINET-AS Research Organization of Infor
58061 499 35 378 SCALAXY-AS, LV
2152 481 507 96 CSUNET-NW, US
212238 457 35 406 CDNEXT, GB
7497 442 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
58224 232 144 196 TCI, IR
2920 224 44 46 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 442 418 CSTNET-AS-AP Computer Network Information Cente
2152 481 385 CSUNET-NW, US
2018 380 309 TENET-1, ZA
36914 203 200 KENET-AS, KE
5786 198 197 UPRENET, PR
25184 215 191 AFRANET from AS58267 accept AS58267, IR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 224 178 LACOE, US
18558 141 136 NETBLK-RCOEK, US
8895 134 129 ISU Internet Services Unit ISU, SA
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
11570 UNALLOCATED 63.225.1.0/24 40498 ABQG, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, 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 1835 FSKNET-DK Forskningsnettet - Danish network for
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 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1835 FSKNET-DK Forskningsnettet - Danish netw
192.88.99.0/24 Transit: 2603 NORDUNET, DK
199.204.11.0/24 Origin: 203689 METLIFE_SERVICES-ASN, PL
199.204.11.0/24 Transit: 12912 TM, PL
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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 /9:1 /10:1 /11:1 /12:11
/13:23 /14:45 /15:151 /16:2071 /17:462 /18:534
/19:820 /20:1317 /21:1495 /22:3308 /23:2635 /24:17956
/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
16509 650 2300 AMAZON-02, US
212238 257 457 CDNEXT, GB
58061 253 499 SCALAXY-AS, LV
25184 211 215 AFRANET from AS58267 accept AS58267, IR
36914 190 203 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
58224 112 232 TCI, IR
15598 73 89 IPX-AS15598, DE
42337 69 77 RESPINA-AS, IR
20940 65 93 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:77 3:69 5:150 6:4 8:2
12:1 13:68 14:91 15:54 16:23 18:134
23:47 24:3 27:1 31:111 35:18 37:136
38:41 40:3 41:123 42:10 44:9 45:366
46:127 47:1 49:9 50:15 51:5 52:252
54:24 59:19 60:6 61:3 62:77 63:41
64:90 65:29 66:77 67:48 68:10 69:37
70:19 71:18 72:11 74:60 75:1 76:52
77:78 78:52 79:119 80:98 81:150 82:72
83:38 84:47 85:117 86:36 87:41 88:71
89:119 91:430 92:65 93:92 94:72 95:39
96:7 97:2 98:6 99:35 101:2 102:23
103:444 104:117 107:32 108:26 109:114 110:1
111:16 114:25 116:9 117:61 118:33 119:20
121:27 122:8 123:8 124:42 125:5 128:89
129:39 130:153 131:62 132:67 133:157 134:133
136:203 137:91 138:74 139:8 140:53 141:21
142:29 143:39 144:40 145:11 146:166 147:89
148:200 149:58 150:46 151:31 152:144 153:48
154:74 155:84 156:154 157:45 158:56 159:146
160:34 161:26 162:28 163:87 164:38 165:73
166:95 167:15 168:134 169:24 170:122 171:4
172:36 173:15 175:25 176:86 177:6 178:88
179:26 180:16 181:13 182:9 184:7 185:1234
186:3 187:18 188:74 189:3 190:18 191:52
192:1436 193:701 194:462 195:294 196:155 197:117
198:545 199:288 200:260 201:37 202:647 203:438
204:394 205:173 206:196 207:247 208:101 209:181
210:205 211:14 212:245 213:110 214:8 216:125
217:123 218:22 219:5 220:18 222:2 223:14
End of report
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