[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 12 20:25:43 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Tue 12 Mar, 2024
IPv4 BGP Table (R&E) as seen at AIT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AIT/
Analysis Summary
----------------
BGP routing table entries examined: 22936
Prefixes after maximum aggregation (per Origin AS): 11494
Deaggregation factor: 2.00
Unique aggregates announced (without unneeded subnets): 13086
Number of IPv4 prefixes with a valid ROA: 8993
Number of IPv4 prefixes with an invalid ROA: 291
Number of IPv4 prefixes with no ROA: 13652
Total ASes present in the Internet Routing Table: 2992
Prefixes per ASN: 7.67
Origin-only ASes present in the Internet Routing Table: 2573
Origin ASes announcing only one prefix: 1148
Transit ASes present in the Internet Routing Table: 419
Transit-only ASes present in the Internet Routing Table: 80
Paths with bogon ASNs present in the IPv4 Routing Table: 9
Average AS path length visible in the Internet Routing Table: 6.5
Max AS path length visible: 18
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 14
Number of instances of unregistered ASNs: 14
Number of 32-bit ASNs allocated by the RIRs: 43825
Number of 32-bit ASNs visible in the Routing Table: 805
Prefixes from 32-bit ASNs in the Routing Table: 3621
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: 0
Number of addresses announced to Internet: 191319360
Equivalent to 11 /8s, 103 /16s and 77 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 2205
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8509
Total APNIC prefixes after maximum aggregation: 3036
APNIC Deaggregation factor: 2.80
Prefixes being announced from the APNIC address blocks: 8324
Unique aggregates announced from the APNIC address blocks: 3612
APNIC Region origin ASes present in the Internet Routing Table: 733
APNIC Prefixes per ASN: 11.36
APNIC Region origin ASes announcing only one prefix: 304
APNIC Region transit ASes present in the Internet Routing Table: 91
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 355
Number of APNIC addresses announced to Internet: 35953216
Equivalent to 2 /8s, 36 /16s and 154 /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: 8437
Total ARIN prefixes after maximum aggregation: 4746
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8560
Unique aggregates announced from the ARIN address blocks: 5345
ARIN Region origin ASes present in the Internet Routing Table: 1272
ARIN Prefixes per ASN: 6.73
ARIN Region origin ASes announcing only one prefix: 447
ARIN Region transit ASes present in the Internet Routing Table: 171
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 200
Number of ARIN addresses announced to Internet: 90941184
Equivalent to 5 /8s, 107 /16s and 167 /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: 3623
Total RIPE prefixes after maximum aggregation: 2890
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3687
Unique aggregates announced from the RIPE address blocks: 2973
RIPE Region origin ASes present in the Internet Routing Table: 684
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 7.0
Max RIPE Region AS path length visible: 18
Number of RIPE region 32-bit ASNs visible in the Routing Table: 152
Number of RIPE addresses announced to Internet: 57663488
Equivalent to 3 /8s, 111 /16s and 224 /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: 1389
Total LACNIC prefixes after maximum aggregation: 572
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1385
Unique aggregates announced from the LACNIC address blocks: 768
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.29
LACNIC Region origin ASes announcing only one prefix: 61
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 9.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4287232
Equivalent to 0 /8s, 65 /16s and 107 /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: 964
Total AfriNIC prefixes after maximum aggregation: 238
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 980
Unique aggregates announced from the AfriNIC address blocks: 388
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 19.22
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 7.3
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2474240
Equivalent to 0 /8s, 37 /16s and 193 /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
7470 684 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 576 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 503 40 48 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 500 71 36 CAT-AP The Communication Authoity of Th
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
131293 275 23 65 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 192 74 142 KREONET-AS-KR KISTI, KR
7575 173 329 116 AARNET-AS-AP Australian Academic and Re
23884 156 10 25 PROENNET-AS Proen Corp Public Company L
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 448 507 96 CSUNET-NW, 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
81 126 521 30 NCREN, US
23024 106 7 27 OCDE, US
2920 104 34 9 LACOE, US
1736 79 16 1 MU-AS, US
21976 79 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 286 1899 250 DFN Verein zur Foerderung eines Deutsch
786 188 1767 181 JANET Jisc Services Limited, GB
8895 123 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
137 94 677 77 ASGARR Consortium GARR, IT
2614 94 27 73 ROEDUNET, RO
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 44 68 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
1916 148 176 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 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 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/AIT/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 182 18 64 KENET-AS, KE
327687 160 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7470 684 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 576 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 503 40 48 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 500 71 36 CAT-AP The Communication Authoity of Th
2152 448 507 96 CSUNET-NW, US
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 286 1899 250 DFN Verein zur Foerderung eines Deutsch
131293 275 23 65 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
131090 576 567 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
9931 500 464 CAT-AP The Communication Authoity of Thailand,
45458 503 455 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 441 418 CSTNET-AS-AP Computer Network Information Cente
2152 448 352 CSUNET-NW, US
2018 380 309 TENET-1, ZA
131293 275 210 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 198 197 UPRENET, PR
327687 160 157 RENU, UG
18558 141 136 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 RESERVED, ZZ
65007 PRIVATE 134.204.208.0/24 18723 SEAGATE-USA-CA-1, US
65044 PRIVATE 192.55.18.0/23 18723 SEAGATE-USA-CA-1, 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
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
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 /12:9
/13:18 /14:32 /15:119 /16:1822 /17:429 /18:548
/19:609 /20:939 /21:940 /22:1873 /23:1814 /24:13776
/25:1 /26:2 /27:2 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 176 182 KENET-AS, KE
8895 118 123 ISU Internet Services Unit ISU, SA
23024 52 106 OCDE, US
2152 51 448 CSUNET-NW, US
133481 51 78 AIS-FIBRE-AS-AP AIS Fibre, TH
134729 47 63 JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
32440 38 63 LONI, US
327700 38 44 MoRENet, MZ
3267 35 77 RUNNET, RU
18632 34 66 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:136 2:1 5:15 6:4 8:4 12:1
14:92 18:1 23:23 24:1 27:62 31:1
35:6 38:10 40:1 41:119 42:9 43:21
44:6 45:75 46:5 47:4 49:338 50:4
52:1 58:88 59:10 60:6 61:289 62:11
63:37 64:46 65:36 66:60 67:42 68:10
69:18 70:2 71:1 72:7 74:48 76:42
77:11 78:3 79:10 80:12 81:27 82:4
83:9 84:11 85:44 86:4 87:1 89:12
90:1 91:48 92:3 93:5 94:2 95:18
96:6 97:2 98:3 101:9 102:38 103:469
104:76 107:20 108:13 109:6 110:389 111:41
112:26 113:43 114:28 115:8 116:33 117:63
118:99 119:199 121:13 122:240 123:1 124:48
125:9 128:88 129:46 130:87 131:71 132:59
133:13 134:317 136:198 137:162 138:58 139:11
140:40 141:14 142:38 143:25 144:27 145:3
146:137 147:85 148:201 149:12 150:103 151:9
152:133 153:14 154:62 155:63 156:68 157:22
158:35 159:239 160:4 161:20 162:26 163:94
164:71 165:48 166:1 167:21 168:118 169:7
170:110 171:141 172:5 173:8 174:1 175:18
176:8 177:6 179:12 180:78 181:1 182:12
183:6 184:14 185:61 186:3 187:17 188:15
189:3 190:17 191:16 192:1323 193:271 194:138
195:73 196:202 197:104 198:558 199:276 200:269
201:37 202:585 203:868 204:376 205:154 206:190
207:222 208:76 209:181 210:257 211:16 212:154
213:4 214:8 216:84 217:10 218:23 220:18
221:36 222:2 223:59
End of report
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