[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jan 31 20:25:43 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Wed 31 Jan, 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: 22993
Prefixes after maximum aggregation (per Origin AS): 11269
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 12721
Number of IPv4 prefixes with a valid ROA: 9143
Number of IPv4 prefixes with an invalid ROA: 194
Number of IPv4 prefixes with no ROA: 13656
Total ASes present in the Internet Routing Table: 2954
Prefixes per ASN: 7.78
Origin-only ASes present in the Internet Routing Table: 2543
Origin ASes announcing only one prefix: 1139
Transit ASes present in the Internet Routing Table: 411
Transit-only ASes present in the Internet Routing Table: 78
Paths with bogon ASNs present in the IPv4 Routing Table: 16
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: 26
Number of instances of unregistered ASNs: 26
Number of 32-bit ASNs allocated by the RIRs: 43515
Number of 32-bit ASNs visible in the Routing Table: 765
Prefixes from 32-bit ASNs in the Routing Table: 3489
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: 1
Number of addresses announced to Internet: 191651136
Equivalent to 11 /8s, 108 /16s and 93 /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: 2483
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8298
Total APNIC prefixes after maximum aggregation: 2892
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 8127
Unique aggregates announced from the APNIC address blocks: 3413
APNIC Region origin ASes present in the Internet Routing Table: 694
APNIC Prefixes per ASN: 11.71
APNIC Region origin ASes announcing only one prefix: 285
APNIC Region transit ASes present in the Internet Routing Table: 86
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 317
Number of APNIC addresses announced to Internet: 36011328
Equivalent to 2 /8s, 37 /16s and 125 /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: 8420
Total ARIN prefixes after maximum aggregation: 4741
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8548
Unique aggregates announced from the ARIN address blocks: 5355
ARIN Region origin ASes present in the Internet Routing Table: 1273
ARIN Prefixes per ASN: 6.71
ARIN Region origin ASes announcing only one prefix: 454
ARIN Region transit ASes present in the Internet Routing Table: 166
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: 199
Number of ARIN addresses announced to Internet: 91157248
Equivalent to 5 /8s, 110 /16s and 243 /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: 3607
Total RIPE prefixes after maximum aggregation: 2866
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3662
Unique aggregates announced from the RIPE address blocks: 2944
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.34
RIPE Region origin ASes announcing only one prefix: 311
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 57591296
Equivalent to 3 /8s, 110 /16s and 198 /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: 1375
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.42
Prefixes being announced from the LACNIC address blocks: 1373
Unique aggregates announced from the LACNIC address blocks: 764
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.42
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4143104
Equivalent to 0 /8s, 63 /16s and 56 /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: 1267
Total AfriNIC prefixes after maximum aggregation: 180
AfriNIC Deaggregation factor: 7.04
Prefixes being announced from the AfriNIC address blocks: 1282
Unique aggregates announced from the AfriNIC address blocks: 244
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 24.19
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 7.2
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: 2746112
Equivalent to 0 /8s, 41 /16s and 231 /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 582 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 502 40 47 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 499 71 36 CAT-AP The Communication Authoity of Th
7497 439 180 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 194 74 142 KREONET-AS-KR KISTI, KR
7575 176 329 119 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 423 507 96 CSUNET-NW, US
668 203 636 172 DNIC-AS-00668, US
376 200 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
23024 109 7 22 OCDE, US
2920 105 34 9 LACOE, US
21976 81 51 19 NJEDGE-NET, 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
680 285 1899 249 DFN Verein zur Foerderung eines Deutsch
786 188 1767 181 JANET Jisc Services Limited, GB
8895 133 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
3267 79 44 68 RUNNET, RU
553 78 462 78 BELWUE BelWue-Koordination, DE
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 149 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 106 24 50 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 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
36914 480 82 3 KENET-AS, KE
2018 379 319 70 TENET-1, ZA
327687 161 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
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 582 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 502 40 47 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 499 71 36 CAT-AP The Communication Authoity of Th
36914 480 82 3 KENET-AS, KE
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
2152 423 507 96 CSUNET-NW, US
2018 379 319 70 TENET-1, ZA
680 285 1899 249 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 582 573 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
36914 480 477 KENET-AS, KE
9931 499 463 CAT-AP The Communication Authoity of Thailand,
45458 502 455 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 439 416 CSTNET-AS-AP Computer Network Information Cente
2152 423 327 CSUNET-NW, US
2018 379 309 TENET-1, ZA
131293 275 210 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 198 197 UPRENET, PR
327687 161 158 RENU, UG
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
65101 PRIVATE 64.54.9.0/24 5653 UCSF, US
65101 PRIVATE 64.54.18.0/24 5653 UCSF, US
65101 PRIVATE 64.54.128.0/24 5653 UCSF, US
65101 PRIVATE 64.54.149.0/24 5653 UCSF, US
65101 PRIVATE 64.54.162.0/24 5653 UCSF, US
65101 PRIVATE 64.54.196.0/24 5653 UCSF, US
65101 PRIVATE 64.54.197.0/24 5653 UCSF, US
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
220.156.176.0/21 Origin: 23767 A-STAR-AS-AP A-STAR, SG
220.156.176.0/21 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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 /12:9
/13:18 /14:33 /15:119 /16:1823 /17:431 /18:553
/19:622 /20:980 /21:933 /22:1865 /23:1783 /24:13816
/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 465 480 KENET-AS, KE
8895 128 133 ISU Internet Services Unit ISU, SA
23024 52 109 OCDE, US
133481 51 78 AIS-FIBRE-AS-AP AIS Fibre, TH
134729 48 64 JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
2152 45 423 CSUNET-NW, US
32440 38 62 LONI, US
327700 38 42 MoRENet, MZ
3267 36 79 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)
----------------------------------------------
1:134 2:1 5:15 6:4 8:4 12:1
14:92 18:1 23:23 24:1 27:53 31:1
35:6 38:8 40:1 41:178 42:9 43:20
44:7 45:71 46:5 47:4 49:337 50:4
52:1 58:93 59:10 60:6 61:289 62:12
63:37 64:58 65:37 66:60 67:43 68:10
69:18 70:2 71:1 72:7 74:48 76:42
77:10 78:3 79:10 80:12 81:25 82:7
83:9 84:9 85:32 86:4 87:1 89:11
90:1 91:48 92:2 93:4 94:2 95:18
96:5 97:2 98:3 101:9 102:39 103:388
104:79 107:20 108:13 109:6 110:393 111:41
112:26 113:39 114:28 115:17 116:25 117:62
118:95 119:196 121:13 122:240 123:3 124:46
125:8 128:87 129:46 130:87 131:74 132:52
133:12 134:316 136:198 137:156 138:58 139:11
140:44 141:13 142:39 143:25 144:27 145:3
146:134 147:85 148:200 149:13 150:48 151:12
152:132 153:14 154:59 155:63 156:68 157:22
158:35 159:240 160:4 161:18 162:26 163:90
164:70 165:48 166:1 167:20 168:118 169:7
170:111 171:141 172:5 173:7 174:1 175:18
176:8 177:6 179:12 180:69 181:1 182:12
183:6 184:11 185:61 186:3 187:17 188:15
189:3 190:17 191:15 192:1315 193:271 194:136
195:77 196:201 197:330 198:547 199:276 200:272
201:37 202:607 203:804 204:377 205:152 206:199
207:217 208:76 209:174 210:256 211:17 212:161
213:5 214:8 216:83 217:10 218:23 220:16
221:36 222:2 223:59
End of report
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