[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Aug 30 20:25:51 UTC 2022
IPv4 R&E Routing Table Report 20:25 GMT Tue 30 Aug, 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: 34906
Prefixes after maximum aggregation (per Origin AS): 14494
Deaggregation factor: 2.41
Unique aggregates announced (without unneeded subnets): 16431
Number of IPv4 prefixes with a valid ROA: 13937
Number of IPv4 prefixes with an invalid ROA: 250
Number of IPv4 prefixes with no ROA: 20719
Total ASes present in the Internet Routing Table: 3571
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 3042
Origin ASes announcing only one prefix: 1266
Transit ASes present in the Internet Routing Table: 529
Transit-only ASes present in the Internet Routing Table: 79
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: 16
Number of instances of unregistered ASNs: 16
Number of 32-bit ASNs allocated by the RIRs: 40088
Number of 32-bit ASNs visible in the Routing Table: 1073
Prefixes from 32-bit ASNs in the Routing Table: 6331
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: 9
Number of addresses announced to Internet: 239359488
Equivalent to 14 /8s, 68 /16s and 86 /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: 2752
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20333
Total APNIC prefixes after maximum aggregation: 5678
APNIC Deaggregation factor: 3.58
Prefixes being announced from the APNIC address blocks: 20154
Unique aggregates announced from the APNIC address blocks: 6545
APNIC Region origin ASes present in the Internet Routing Table: 1286
APNIC Prefixes per ASN: 15.67
APNIC Region origin ASes announcing only one prefix: 413
APNIC Region transit ASes present in the Internet Routing Table: 196
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 651
Number of APNIC addresses announced to Internet: 62516480
Equivalent to 3 /8s, 185 /16s and 237 /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: 8513
Total ARIN prefixes after maximum aggregation: 5080
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 8595
Unique aggregates announced from the ARIN address blocks: 5740
ARIN Region origin ASes present in the Internet Routing Table: 1288
ARIN Prefixes per ASN: 6.67
ARIN Region origin ASes announcing only one prefix: 455
ARIN Region transit ASes present in the Internet Routing Table: 171
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: 184
Number of ARIN addresses announced to Internet: 109880832
Equivalent to 6 /8s, 140 /16s and 166 /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: 3657
Total RIPE prefixes after maximum aggregation: 2926
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3680
Unique aggregates announced from the RIPE address blocks: 2959
RIPE Region origin ASes present in the Internet Routing Table: 698
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 314
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 7.0
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 144
Number of RIPE addresses announced to Internet: 59631872
Equivalent to 3 /8s, 141 /16s and 233 /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: 1434
Total LACNIC prefixes after maximum aggregation: 583
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1438
Unique aggregates announced from the LACNIC address blocks: 800
LACNIC Region origin ASes present in the Internet Routing Table: 161
LACNIC Prefixes per ASN: 8.93
LACNIC Region origin ASes announcing only one prefix: 61
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4743168
Equivalent to 0 /8s, 72 /16s and 96 /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: 953
Total AfriNIC prefixes after maximum aggregation: 212
AfriNIC Deaggregation factor: 4.50
Prefixes being announced from the AfriNIC address blocks: 1030
Unique aggregates announced from the AfriNIC address blocks: 378
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 21.46
AfriNIC Region origin ASes announcing only one prefix: 23
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: 26
Number of AfriNIC addresses announced to Internet: 2584832
Equivalent to 0 /8s, 39 /16s and 113 /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 716 528 43 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 681 170 56 NCIC-TW New Century InfoComm Tech Co.,
131090 634 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 566 2156 455 SINET-AS Research Organization of Infor
4621 525 73 18 UNINET-AS-AP UNINET-, TH
45458 480 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
133481 426 74 30 AIS-FIBRE-AS-AP AIS Fibre, TH
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
668 219 703 181 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 155 507 92 CSUNET-NW, US
18558 133 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
680 284 1951 250 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 138 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 86 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 158 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
28571 41 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 376 319 73 TENET-1, ZA
36914 236 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 1 13 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 716 528 43 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 681 170 56 NCIC-TW New Century InfoComm Tech Co.,
131090 634 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 566 2156 455 SINET-AS Research Organization of Infor
4621 525 73 18 UNINET-AS-AP UNINET-, TH
45458 480 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
133481 426 74 30 AIS-FIBRE-AS-AP AIS Fibre, TH
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 716 673 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
131090 634 626 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
9919 681 625 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
4621 525 507 UNINET-AS-AP UNINET-, TH
4750 448 434 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
45458 480 416 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 433 409 CSTNET-AS-AP Computer Network Information Cente
133481 426 396 AIS-FIBRE-AS-AP AIS Fibre, TH
131596 402 392 TBCOM-NET TBC, TW
9931 424 389 CAT-AP The Communication Authoity of Thailand,
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
134952 UNALLOCATED 103.204.12.0/24 7616 JINET-BKK-AS-AP Jasmine Inte
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
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 CORETELNET-AS-AP CORETEL NETWORKS HONG K
45.254.232.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24 Origin: 135546 CORETELNET-AS-AP CORETEL NETWORKS HONG K
45.254.233.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24 Origin: 135546 CORETELNET-AS-AP CORETEL NETWORKS HONG K
45.254.234.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24 Origin: 135546 CORETELNET-AS-AP CORETEL NETWORKS HONG K
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 /16:2175 /17:602 /18:848
/19:1090 /20:1374 /21:1623 /22:3561 /23:2549 /24:20693
/25:2 /26:2 /27:2 /28:3 /29:11 /30:44
/31:33 /32:61
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 223 236 KENET-AS, KE
132280 153 309 SYMPHONY-AP-TH Symphony Communication Thailand
4621 152 525 UNINET-AS-AP UNINET-, TH
8895 133 138 ISU Internet Services Unit ISU, SA
133481 70 426 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 53 114 OCDE, US
18632 34 63 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)
----------------------------------------------
1:497 5:22 6:4 8:4 9:1 12:1
13:39 14:100 16:1 18:43 23:17 24:4
27:205 31:7 35:4 36:13 37:29 38:17
39:5 40:2 41:129 42:15 43:195 44:5
45:192 46:5 47:6 49:518 50:5 52:3
58:301 59:32 60:48 61:376 62:12 63:39
64:62 65:10 66:46 67:46 68:8 69:21
70:2 71:1 72:39 74:54 76:37 77:7
78:3 79:11 80:18 81:28 82:6 83:31
84:8 85:43 86:6 87:1 88:1 89:10
90:1 91:47 92:1 93:4 94:4 95:4
96:71 97:1 98:2 101:114 102:18 103:1355
104:80 106:75 107:53 108:8 109:10 110:461
111:124 112:46 113:146 114:42 115:140 116:71
117:76 118:376 119:297 120:13 121:30 122:294
123:103 124:165 125:200 128:95 129:47 130:91
131:91 132:59 133:145 134:311 135:8 136:222
137:80 138:13 139:20 140:62 141:15 142:39
143:33 144:41 145:2 146:156 147:83 148:193
149:16 150:157 151:6 152:77 153:13 154:62
155:51 156:72 157:36 158:41 159:268 160:29
161:100 162:26 163:94 164:89 165:98 166:1
167:54 168:173 169:10 170:74 171:189 172:5
173:8 175:99 176:9 177:11 178:1 179:10
180:132 181:2 182:234 183:40 184:13 185:74
186:3 187:19 188:15 189:3 190:34 191:38
192:1401 193:318 194:153 195:98 196:162 197:140
198:513 199:295 200:226 201:38 202:1315 203:1585
204:365 205:159 206:204 207:177 208:86 209:129
210:553 211:29 212:174 213:7 214:8 216:86
217:13 218:151 219:12 220:53 221:36 222:7
223:81
End of report
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