[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 23 20:25:42 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Sun 23 Jun, 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: 23700
Prefixes after maximum aggregation (per Origin AS): 11950
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 13471
Number of IPv4 prefixes with a valid ROA: 9304
Number of IPv4 prefixes with an invalid ROA: 136
Number of IPv4 prefixes with no ROA: 14260
Total ASes present in the Internet Routing Table: 3046
Prefixes per ASN: 7.78
Origin-only ASes present in the Internet Routing Table: 2626
Origin ASes announcing only one prefix: 1163
Transit ASes present in the Internet Routing Table: 420
Transit-only ASes present in the Internet Routing Table: 83
Paths with bogon ASNs present in the IPv4 Routing Table: 7
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 44848
Number of 32-bit ASNs visible in the Routing Table: 803
Prefixes from 32-bit ASNs in the Routing Table: 3452
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: 204667464
Equivalent to 12 /8s, 50 /16s and 250 /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: 2109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 9514
Total APNIC prefixes after maximum aggregation: 3560
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 9329
Unique aggregates announced from the APNIC address blocks: 4136
APNIC Region origin ASes present in the Internet Routing Table: 820
APNIC Prefixes per ASN: 11.38
APNIC Region origin ASes announcing only one prefix: 337
APNIC Region transit ASes present in the Internet Routing Table: 99
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 369
Number of APNIC addresses announced to Internet: 49588040
Equivalent to 2 /8s, 244 /16s and 167 /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: 8501
Total ARIN prefixes after maximum aggregation: 4781
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8617
Unique aggregates announced from the ARIN address blocks: 5329
ARIN Region origin ASes present in the Internet Routing Table: 1268
ARIN Prefixes per ASN: 6.80
ARIN Region origin ASes announcing only one prefix: 449
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 8.2
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 202
Number of ARIN addresses announced to Internet: 91117568
Equivalent to 5 /8s, 110 /16s and 88 /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: 3547
Total RIPE prefixes after maximum aggregation: 2859
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3608
Unique aggregates announced from the RIPE address blocks: 2969
RIPE Region origin ASes present in the Internet Routing Table: 681
RIPE Prefixes per ASN: 5.30
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 7.9
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 157
Number of RIPE addresses announced to Internet: 57545472
Equivalent to 3 /8s, 110 /16s and 19 /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: 1344
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1342
Unique aggregates announced from the LACNIC address blocks: 712
LACNIC Region origin ASes present in the Internet Routing Table: 161
LACNIC Prefixes per ASN: 8.34
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 9.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4205568
Equivalent to 0 /8s, 64 /16s and 44 /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: 791
Total AfriNIC prefixes after maximum aggregation: 205
AfriNIC Deaggregation factor: 3.86
Prefixes being announced from the AfriNIC address blocks: 803
Unique aggregates announced from the AfriNIC address blocks: 324
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 26.77
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 7.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 2208768
Equivalent to 0 /8s, 33 /16s and 180 /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 583 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 514 41 56 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 506 71 36 CAT-AP The Communication Authoity of Th
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
131293 276 23 65 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 191 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 480 507 96 CSUNET-NW, US
2920 224 44 45 LACOE, US
668 203 632 172 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 106 7 22 OCDE, US
21976 88 51 18 NJEDGE-NET, US
237 85 543 51 MERIT-AS-14, 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
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 135 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 76 26 66 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 153 10 67 Universidad Juarez Autonoma de Tabasco,
1916 139 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 109 25 52 Red Universitaria Nacional, CL
271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 44 5 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 37 8 4 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 381 319 71 TENET-1, ZA
36914 175 13 57 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 47 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
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 583 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 514 41 56 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 506 71 36 CAT-AP The Communication Authoity of Th
2152 480 507 96 CSUNET-NW, US
7497 444 180 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
131293 276 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 583 574 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
9931 506 470 CAT-AP The Communication Authoity of Thailand,
45458 514 458 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 444 420 CSTNET-AS-AP Computer Network Information Cente
2152 480 384 CSUNET-NW, US
2018 381 310 TENET-1, ZA
131293 276 211 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 224 179 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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
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
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
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 /16:2012 /17:456 /18:564
/19:632 /20:1023 /21:966 /22:1860 /23:1859 /24:14136
/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 171 175 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
2152 56 480 CSUNET-NW, US
23024 49 106 OCDE, US
134729 45 61 JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
327700 42 47 MoRENet, MZ
133481 39 66 AIS-FIBRE-AS-AP AIS Fibre, TH
32440 36 62 LONI, US
3267 35 76 RUNNET, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:134 2:1 5:16 6:4 8:5 12:1
14:94 23:22 24:3 27:48 31:1 35:3
38:13 40:1 41:201 42:10 43:20 44:6
45:73 46:5 47:4 49:338 50:4 52:1
58:100 59:19 60:6 61:288 62:8 63:32
64:45 65:31 66:51 67:41 68:10 69:19
70:2 71:4 72:7 74:51 76:40 77:10
78:3 79:10 80:14 81:26 82:6 83:7
84:8 85:31 86:5 87:1 89:13 91:50
92:3 93:5 94:2 95:17 96:5 97:2
98:3 101:8 102:6 103:453 104:80 107:4
108:11 109:8 110:397 111:29 112:26 113:41
114:29 115:9 116:33 117:63 118:112 119:200
121:9 122:241 123:9 124:47 125:11 128:87
129:41 130:95 131:62 132:66 133:157 134:311
136:198 137:79 138:58 139:11 140:43 141:10
142:25 143:27 144:24 145:2 146:138 147:94
148:199 149:11 150:44 151:9 152:136 153:15
154:68 155:64 156:136 157:26 158:35 159:263
160:30 161:23 162:22 163:73 164:70 165:49
166:1 167:20 168:121 169:6 170:96 171:141
172:5 173:7 174:1 175:18 176:8 177:6
179:14 180:69 181:1 182:13 183:7 184:12
185:62 186:3 187:17 188:15 189:3 190:18
191:16 192:1393 193:262 194:141 195:74 196:153
197:50 198:546 199:280 200:251 201:21 202:764
203:921 204:390 205:165 206:195 207:286 208:68
209:190 210:260 211:16 212:163 213:6 214:8
216:92 217:9 218:23 219:5 220:17 221:36
222:2 223:59
End of report
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