[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Sep 29 20:25:49 UTC 2022
IPv4 R&E Routing Table Report 20:25 GMT Thu 29 Sep, 2022
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: 35004
Prefixes after maximum aggregation (per Origin AS): 14491
Deaggregation factor: 2.42
Unique aggregates announced (without unneeded subnets): 16415
Number of IPv4 prefixes with a valid ROA: 14124
Number of IPv4 prefixes with an invalid ROA: 282
Number of IPv4 prefixes with no ROA: 20598
Total ASes present in the Internet Routing Table: 3573
Prefixes per ASN: 9.80
Origin-only ASes present in the Internet Routing Table: 3049
Origin ASes announcing only one prefix: 1269
Transit ASes present in the Internet Routing Table: 524
Transit-only ASes present in the Internet Routing Table: 80
Paths with bogon ASNs present in the IPv4 Routing Table: 7
Average AS path length visible in the Internet Routing Table: 6.2
Max AS path length visible: 19
Max AS path prepend of ASN (133385) 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: 40277
Number of 32-bit ASNs visible in the Routing Table: 1081
Prefixes from 32-bit ASNs in the Routing Table: 6377
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: 8
Number of addresses announced to Internet: 239284992
Equivalent to 14 /8s, 67 /16s and 51 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 2763
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20419
Total APNIC prefixes after maximum aggregation: 5700
APNIC Deaggregation factor: 3.58
Prefixes being announced from the APNIC address blocks: 20228
Unique aggregates announced from the APNIC address blocks: 6528
APNIC Region origin ASes present in the Internet Routing Table: 1291
APNIC Prefixes per ASN: 15.67
APNIC Region origin ASes announcing only one prefix: 417
APNIC Region transit ASes present in the Internet Routing Table: 199
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 655
Number of APNIC addresses announced to Internet: 62505472
Equivalent to 3 /8s, 185 /16s and 194 /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, 131072-151865
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: 8526
Total ARIN prefixes after maximum aggregation: 5072
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 8624
Unique aggregates announced from the ARIN address blocks: 5753
ARIN Region origin ASes present in the Internet Routing Table: 1285
ARIN Prefixes per ASN: 6.71
ARIN Region origin ASes announcing only one prefix: 456
ARIN Region transit ASes present in the Internet Routing Table: 170
Average ARIN Region AS path length visible: 7.8
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 186
Number of ARIN addresses announced to Internet: 109812736
Equivalent to 6 /8s, 139 /16s and 156 /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: 3651
Total RIPE prefixes after maximum aggregation: 2915
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3676
Unique aggregates announced from the RIPE address blocks: 2959
RIPE Region origin ASes present in the Internet Routing Table: 696
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 312
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 7.0
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 147
Number of RIPE addresses announced to Internet: 59566848
Equivalent to 3 /8s, 140 /16s and 235 /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
196608-213403
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: 1432
Total LACNIC prefixes after maximum aggregation: 576
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1436
Unique aggregates announced from the LACNIC address blocks: 794
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.97
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 8.8
Max LACNIC Region AS path length visible: 16
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4732928
Equivalent to 0 /8s, 72 /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: 962
Total AfriNIC prefixes after maximum aggregation: 215
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 1032
Unique aggregates announced from the AfriNIC address blocks: 373
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.24
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2664960
Equivalent to 0 /8s, 40 /16s and 170 /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
23969 1974 314 16 TOT-NET TOT Public Company Limited, TH
7470 722 532 44 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 684 171 57 NCIC-TW New Century InfoComm Tech Co.,
131090 628 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 567 2156 455 SINET-AS Research Organization of Infor
4621 523 73 18 UNINET-AS-AP UNINET-, TH
45458 479 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
131596 438 82 14 TBCOM-NET TBC, TW
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
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
668 221 703 181 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 154 507 92 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
8075 109 4108 105 MICROSOFT-CORP-MSN-AS-BLOCK, US
2920 108 34 7 LACOE, US
19551 104 7 75 INCAPSULA, US
32531 90 6 60 FORDHAM-UNIVERSITY, 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 1935 249 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 139 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 94 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 62 598 58 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
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 157 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 96 24 54 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
28571 40 40 18 UNIVERSIDADE DE SAO PAULO, BR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 2 2 Fundacao Universidade Regional de Blume
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 375 319 72 TENET-1, ZA
36914 246 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 1 14 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, 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
23969 1974 314 16 TOT-NET TOT Public Company Limited, TH
7470 722 532 44 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 684 171 57 NCIC-TW New Century InfoComm Tech Co.,
131090 628 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 567 2156 455 SINET-AS Research Organization of Infor
4621 523 73 18 UNINET-AS-AP UNINET-, TH
45458 479 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
131596 438 82 14 TBCOM-NET TBC, TW
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7470 722 678 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
9919 684 627 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090 628 620 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 523 505 UNINET-AS-AP UNINET-, TH
4750 448 434 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596 438 424 TBCOM-NET TBC, TW
45458 479 415 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
9931 431 396 CAT-AP The Communication Authoity of Thailand,
133481 422 392 AIS-FIBRE-AS-AP AIS Fibre, TH
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
56096 UNALLOCATED 27.100.7.0/24 45455 TH-2S1N-AP Two S One N Co Lt
135546 UNALLOCATED 45.254.232.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 45.254.233.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 45.254.234.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 103.64.139.0/24 133748 CORETELNET-AS-AP CORETEL NET
141730 UNALLOCATED 103.161.0.0/24 55423 JASTEL-NETWORK-TH-IDC-AP Jas
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
64558 PRIVATE 202.44.52.0/22 23932 WINTH-AS-AP Internet Service
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/AIT/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
45.254.232.0/24 Origin: 135546 UNASSIGNED
45.254.232.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24 Origin: 135546 UNASSIGNED
45.254.233.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24 Origin: 135546 UNASSIGNED
45.254.234.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24 Origin: 135546 UNASSIGNED
103.64.139.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
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 /10:2 /11:4 /12:12
/13:25 /14:45 /15:144 /16:2174 /17:604 /18:843
/19:1088 /20:1375 /21:1614 /22:3588 /23:2564 /24:20766
/25:2 /26:2 /27:2 /28:3 /29:11 /30:42
/31:33 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 233 246 KENET-AS, KE
132280 154 310 SYMPHONY-AP-TH Symphony Communication Thailand
4621 150 523 UNINET-AS-AP UNINET-, TH
8895 134 139 ISU Internet Services Unit ISU, SA
133481 66 422 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 53 114 OCDE, US
18632 34 65 VOLCANO-VISION, US
19551 34 104 INCAPSULA, US
32440 32 47 LONI, US
46115 32 35 LUTHER, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:492 5:22 6:4 8:4 9:1 12:1
13:39 14:100 16:1 18:43 23:16 24:4
27:205 31:5 35:4 36:13 37:29 38:20
39:5 40:2 41:127 42:15 43:192 44:5
45:198 46:5 47:6 49:526 50:5 52:3
58:302 59:31 60:48 61:378 62:11 63:39
64:61 65:10 66:59 67:46 68:8 69:23
70:2 71:1 72:39 74:53 76:38 77:7
78:3 79:11 80:18 81:28 82:7 83:32
84:8 85:42 86:5 87:1 88:2 89:10
90:1 91:48 92:1 93:4 94:4 95:4
96:71 97:3 98:2 101:111 102:14 103:1350
104:79 106:75 107:53 108:8 109:10 110:465
111:124 112:45 113:149 114:40 115:141 116:73
117:80 118:376 119:299 120:14 121:34 122:318
123:104 124:167 125:200 128:95 129:48 130:91
131:93 132:60 133:146 134:307 136:220 137:81
138:12 139:20 140:68 141:15 142:39 143:33
144:41 145:2 146:155 147:85 148:193 149:17
150:158 151:6 152:76 153:14 154:74 155:51
156:72 157:34 158:43 159:264 160:29 161:101
162:23 163:94 164:89 165:85 166:1 167:54
168:172 169:9 170:81 171:190 172:5 173:8
175:95 176:9 177:11 178:1 179:10 180:133
181:4 182:235 183:41 184:12 185:76 186:3
187:19 188:15 189:3 190:34 191:38 192:1385
193:319 194:155 195:96 196:162 197:149 198:517
199:286 200:231 201:38 202:1319 203:1601 204:369
205:159 206:206 207:177 208:80 209:130 210:552
211:29 212:175 213:7 214:8 216:87 217:13
218:152 219:12 220:53 221:36 222:7 223:81
End of report
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