[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 29 20:25:41 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Mon 29 Apr, 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: 23784
Prefixes after maximum aggregation (per Origin AS): 12013
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 13499
Number of IPv4 prefixes with a valid ROA: 9062
Number of IPv4 prefixes with an invalid ROA: 175
Number of IPv4 prefixes with no ROA: 14547
Total ASes present in the Internet Routing Table: 3097
Prefixes per ASN: 7.68
Origin-only ASes present in the Internet Routing Table: 2674
Origin ASes announcing only one prefix: 1194
Transit ASes present in the Internet Routing Table: 423
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 9
Average AS path length visible in the Internet Routing Table: 6.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 17
Number of instances of unregistered ASNs: 17
Number of 32-bit ASNs allocated by the RIRs: 44317
Number of 32-bit ASNs visible in the Routing Table: 826
Prefixes from 32-bit ASNs in the Routing Table: 3503
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: 3
Number of addresses announced to Internet: 205081416
Equivalent to 12 /8s, 57 /16s and 75 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2180
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 9647
Total APNIC prefixes after maximum aggregation: 3612
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 9458
Unique aggregates announced from the APNIC address blocks: 4188
APNIC Region origin ASes present in the Internet Routing Table: 860
APNIC Prefixes per ASN: 11.00
APNIC Region origin ASes announcing only one prefix: 357
APNIC Region transit ASes present in the Internet Routing Table: 102
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 389
Number of APNIC addresses announced to Internet: 49815624
Equivalent to 2 /8s, 248 /16s and 32 /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: 8555
Total ARIN prefixes after maximum aggregation: 4809
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8679
Unique aggregates announced from the ARIN address blocks: 5370
ARIN Region origin ASes present in the Internet Routing Table: 1284
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 460
ARIN Region transit ASes present in the Internet Routing Table: 162
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: 207
Number of ARIN addresses announced to Internet: 91179520
Equivalent to 5 /8s, 111 /16s and 74 /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: 3567
Total RIPE prefixes after maximum aggregation: 2872
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3633
Unique aggregates announced from the RIPE address blocks: 2993
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 7.9
Max RIPE Region AS path length visible: 18
Number of RIPE region 32-bit ASNs visible in the Routing Table: 155
Number of RIPE addresses announced to Internet: 57620224
Equivalent to 3 /8s, 111 /16s and 55 /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: 1226
Total LACNIC prefixes after maximum aggregation: 485
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1225
Unique aggregates announced from the LACNIC address blocks: 597
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 7.75
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 8.6
Max LACNIC Region AS path length visible: 16
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4225792
Equivalent to 0 /8s, 64 /16s and 123 /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: 772
Total AfriNIC prefixes after maximum aggregation: 220
AfriNIC Deaggregation factor: 3.51
Prefixes being announced from the AfriNIC address blocks: 786
Unique aggregates announced from the AfriNIC address blocks: 349
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 25.35
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11
Number of AfriNIC addresses announced to Internet: 2232064
Equivalent to 0 /8s, 34 /16s and 15 /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
2907 591 2162 464 SINET-AS Research Organization of Infor
131090 586 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 507 40 50 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 504 71 36 CAT-AP The Communication Authoity of Th
7497 443 180 24 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 189 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
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 483 507 96 CSUNET-NW, US
2920 224 44 46 LACOE, US
668 202 632 171 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 140 18 5 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 108 7 22 OCDE, US
237 86 543 51 MERIT-AS-14, US
1736 79 16 1 MU-AS, 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
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 134 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 27 65 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
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
3596 34 2 2 Universidad Autonoma Metropolitana, MX
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 177 17 73 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37654 13 1 7 RwEdNet-AS, RW
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
31960 5 1 1 EMUNET, MZ
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
2907 591 2162 464 SINET-AS Research Organization of Infor
131090 586 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 507 40 50 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 504 71 36 CAT-AP The Communication Authoity of Th
2152 483 507 96 CSUNET-NW, US
7497 443 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
131293 275 23 65 TOT-LLI-AS-AP TOT Public Company Limite
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 586 577 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
9931 504 468 CAT-AP The Communication Authoity of Thailand,
45458 507 457 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 443 419 CSTNET-AS-AP Computer Network Information Cente
2152 483 387 CSUNET-NW, US
2018 380 309 TENET-1, ZA
131293 275 210 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 224 178 LACOE, 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
65007 PRIVATE 134.204.208.0/24 18723 SEAGATE-USA-CA-1, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
Complete listing at https://bgp.nsrc.org/REN/AIT/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 /12:10
/13:18 /14:33 /15:121 /16:2013 /17:461 /18:574
/19:628 /20:1026 /21:971 /22:1959 /23:1893 /24:14067
/25:1 /26:2 /27:3 /28:0 /29:1 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 171 177 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
2152 54 483 CSUNET-NW, US
23024 51 108 OCDE, US
134729 47 63 JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
133481 39 66 AIS-FIBRE-AS-AP AIS Fibre, TH
32440 38 63 LONI, US
327700 37 41 MoRENet, MZ
3267 36 77 RUNNET, RU
18632 33 66 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:134 2:1 5:15 6:4 8:4 12:1
14:96 23:22 24:3 27:57 31:1 35:2
38:11 40:1 41:141 42:10 43:21 44:6
45:67 46:5 47:4 49:338 50:6 52:1
58:98 59:19 60:6 61:289 62:8 63:37
64:45 65:36 66:61 67:42 68:10 69:18
70:2 71:2 72:7 74:48 76:42 77:11
78:3 79:10 80:12 81:27 82:7 83:9
84:8 85:41 86:5 87:1 89:13 91:52
92:3 93:4 94:2 95:18 96:6 97:1
98:3 101:9 102:2 103:496 104:81 107:20
108:11 109:7 110:394 111:29 112:26 113:38
114:28 115:9 116:28 117:63 118:112 119:199
121:9 122:241 123:9 124:48 125:11 128:91
129:36 130:83 131:62 132:65 133:157 134:313
136:197 137:78 138:59 139:11 140:43 141:11
142:26 143:26 144:27 145:2 146:137 147:94
148:47 149:11 150:47 151:9 152:133 153:14
154:64 155:63 156:135 157:25 158:35 159:257
160:30 161:24 162:21 163:87 164:70 165:49
166:1 167:19 168:121 169:6 170:113 171:141
172:7 173:8 174:1 175:25 176:8 177:6
178:1 179:13 180:69 182:20 183:6 184:12
185:60 186:3 187:18 188:15 189:3 190:17
191:16 192:1392 193:267 194:143 195:74 196:154
197:98 198:545 199:275 200:258 201:36 202:786
203:906 204:394 205:169 206:193 207:239 208:75
209:183 210:268 211:16 212:163 213:6 214:8
216:93 217:9 218:23 219:5 220:17 221:36
222:2 223:59
End of report
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