[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 22 20:25:42 UTC 2024
IPv4 R&E Routing Table Report 20:25 GMT Sat 22 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: 23844
Prefixes after maximum aggregation (per Origin AS): 12020
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 13563
Number of IPv4 prefixes with a valid ROA: 9353
Number of IPv4 prefixes with an invalid ROA: 136
Number of IPv4 prefixes with no ROA: 14354
Total ASes present in the Internet Routing Table: 3066
Prefixes per ASN: 7.78
Origin-only ASes present in the Internet Routing Table: 2646
Origin ASes announcing only one prefix: 1175
Transit ASes present in the Internet Routing Table: 420
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: 6.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 44835
Number of 32-bit ASNs visible in the Routing Table: 811
Prefixes from 32-bit ASNs in the Routing Table: 3459
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: 1
Number of addresses announced to Internet: 204757576
Equivalent to 12 /8s, 52 /16s and 90 /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: 2175
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 9504
Total APNIC prefixes after maximum aggregation: 3554
APNIC Deaggregation factor: 2.67
Prefixes being announced from the APNIC address blocks: 9318
Unique aggregates announced from the APNIC address blocks: 4129
APNIC Region origin ASes present in the Internet Routing Table: 820
APNIC Prefixes per ASN: 11.36
APNIC Region origin ASes announcing only one prefix: 339
APNIC Region transit ASes present in the Internet Routing Table: 98
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: 49562184
Equivalent to 2 /8s, 244 /16s and 66 /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: 8647
Total ARIN prefixes after maximum aggregation: 4855
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8764
Unique aggregates announced from the ARIN address blocks: 5415
ARIN Region origin ASes present in the Internet Routing Table: 1291
ARIN Prefixes per ASN: 6.79
ARIN Region origin ASes announcing only one prefix: 460
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 8.0
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 210
Number of ARIN addresses announced to Internet: 91303936
Equivalent to 5 /8s, 113 /16s and 48 /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: 3545
Total RIPE prefixes after maximum aggregation: 2859
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3606
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: 1358
Total LACNIC prefixes after maximum aggregation: 541
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1357
Unique aggregates announced from the LACNIC address blocks: 725
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.48
LACNIC Region origin ASes announcing only one prefix: 58
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: 4135168
Equivalent to 0 /8s, 63 /16s and 25 /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: 785
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 3.81
Prefixes being announced from the AfriNIC address blocks: 797
Unique aggregates announced from the AfriNIC address blocks: 323
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 26.57
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: 2208512
Equivalent to 0 /8s, 33 /16s and 179 /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 590 2160 463 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 505 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 133 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 379 319 71 TENET-1, ZA
36914 175 13 58 KENET-AS, KE
8094 47 48 18 PUKNET, ZA
327700 43 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 590 2160 463 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 505 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 379 319 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 505 469 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 379 308 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
65208 PRIVATE 63.225.1.0/24 11570 AS11570, US
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
65208 PRIVATE 216.161.32.0/23 11570 AS11570, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.1.0.0/24 63528 BKNIX-AS-AP Bangkok Neutral Internet Exchange,
Complete listing at https://bgp.nsrc.org/REN/AIT/data-spar
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 /17:457 /18:565
/19:634 /20:1040 /21:967 /22:1883 /23:1876 /24:14218
/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 128 133 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
133481 39 66 AIS-FIBRE-AS-AP AIS Fibre, TH
327700 38 43 MoRENet, MZ
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 10:1
12:1 14:95 23:23 24:3 27:48 31:1
35:3 38:13 40:1 41:196 42:10 43:20
44:6 45:73 46:5 47:4 49:337 50:6
52:1 58:99 59:19 60:6 61:288 62:8
63:37 64:46 65:35 66:51 67:42 68:10
69:19 70:2 71:4 72:7 74:53 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
107:16 108:11 109:8 110:397 111:29 112:26
113:41 114:28 115:9 116:29 117:63 118:112
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
141:10 142:25 143:27 144:27 145:2 146:138
147:94 148:200 149:11 150:45 151:9 152:136
153:15 154:66 155:64 156:136 157:26 158:35
159:263 160:30 161:24 162:23 163:73 164:70
165:49 166:1 167:20 168:121 169:6 170:112
171:140 172:5 173:7 174:1 175:18 176:8
177:6 179:14 180:69 181:1 182:12 183:7
184:12 185:62 186:3 187:17 188:15 189:3
190:18 191:16 192:1396 193:262 194:141 195:74
196:153 197:51 198:548 199:280 200:251 201:37
202:764 203:921 204:394 205:166 206:205 207:288
208:72 209:196 210:258 211:16 212:161 213:6
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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