[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jan 25 20:25:48 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Wed 25 Jan, 2023
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: 35037
Prefixes after maximum aggregation (per Origin AS): 14374
Deaggregation factor: 2.44
Unique aggregates announced (without unneeded subnets): 16259
Number of IPv4 prefixes with a valid ROA: 14624
Number of IPv4 prefixes with an invalid ROA: 277
Number of IPv4 prefixes with no ROA: 20136
Total ASes present in the Internet Routing Table: 3554
Prefixes per ASN: 9.86
Origin-only ASes present in the Internet Routing Table: 3030
Origin ASes announcing only one prefix: 1248
Transit ASes present in the Internet Routing Table: 524
Transit-only ASes present in the Internet Routing Table: 89
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 6.2
Max AS path length visible: 23
Max AS path prepend of ASN (136205) 15
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 41113
Number of 32-bit ASNs visible in the Routing Table: 1066
Prefixes from 32-bit ASNs in the Routing Table: 6457
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: 5
Number of addresses announced to Internet: 237546496
Equivalent to 14 /8s, 40 /16s and 172 /24s
Percentage of available address space announced: 6.4
Percentage of allocated address space announced: 6.4
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: 2800
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20392
Total APNIC prefixes after maximum aggregation: 5586
APNIC Deaggregation factor: 3.65
Prefixes being announced from the APNIC address blocks: 20197
Unique aggregates announced from the APNIC address blocks: 6402
APNIC Region origin ASes present in the Internet Routing Table: 1252
APNIC Prefixes per ASN: 16.13
APNIC Region origin ASes announcing only one prefix: 398
APNIC Region transit ASes present in the Internet Routing Table: 188
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: 636
Number of APNIC addresses announced to Internet: 60859392
Equivalent to 3 /8s, 160 /16s and 164 /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: 8516
Total ARIN prefixes after maximum aggregation: 5056
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 8605
Unique aggregates announced from the ARIN address blocks: 5717
ARIN Region origin ASes present in the Internet Routing Table: 1291
ARIN Prefixes per ASN: 6.67
ARIN Region origin ASes announcing only one prefix: 457
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: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 189
Number of ARIN addresses announced to Internet: 109703168
Equivalent to 6 /8s, 137 /16s and 240 /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: 3739
Total RIPE prefixes after maximum aggregation: 2940
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3731
Unique aggregates announced from the RIPE address blocks: 2999
RIPE Region origin ASes present in the Internet Routing Table: 707
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 6.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 151
Number of RIPE addresses announced to Internet: 59577344
Equivalent to 3 /8s, 141 /16s and 20 /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: 1368
Total LACNIC prefixes after maximum aggregation: 576
LACNIC Deaggregation factor: 2.38
Prefixes being announced from the LACNIC address blocks: 1369
Unique aggregates announced from the LACNIC address blocks: 787
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 8.83
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4710656
Equivalent to 0 /8s, 71 /16s and 225 /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: 1012
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 1130
Unique aggregates announced from the AfriNIC address blocks: 349
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 21.73
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 2694400
Equivalent to 0 /8s, 41 /16s and 29 /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 1969 314 16 TOT-NET TOT Public Company Limited, TH
7470 727 532 45 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 691 171 60 NCIC-TW New Century InfoComm Tech Co.,
131090 613 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 578 2148 459 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 483 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 451 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 447 70 34 CAT-AP The Communication Authoity of Th
131596 447 87 10 TBCOM-NET TBC, TW
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
668 219 702 180 DNIC-AS-00668, US
2152 210 507 92 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
8075 104 4107 103 MICROSOFT-CORP-MSN-AS-BLOCK, US
19551 102 6 73 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 1919 250 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 136 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 97 1518 85 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
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 62 598 58 FR-RENATER Reseau National de telecommu
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 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 97 24 55 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 45 16 1 Red de Interconexion Universitaria, AR
61468 43 3 15 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 371 319 72 TENET-1, ZA
36914 247 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 45 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 1969 314 16 TOT-NET TOT Public Company Limited, TH
7470 727 532 45 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 691 171 60 NCIC-TW New Century InfoComm Tech Co.,
131090 613 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 578 2148 459 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 483 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 451 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 447 70 34 CAT-AP The Communication Authoity of Th
131596 447 87 10 TBCOM-NET TBC, TW
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 727 682 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
9919 691 631 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090 613 604 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 515 497 UNINET-AS-AP UNINET-, TH
4750 451 437 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596 447 437 TBCOM-NET TBC, TW
45458 483 418 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 447 413 CAT-AP The Communication Authoity of Thailand,
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
133481 414 384 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
141730 UNALLOCATED 103.161.0.0/24 55423 JASTEL-NETWORK-TH-IDC-AP Jas
138219 UNALLOCATED 103.207.69.0/24 23884 PROENNET-AS Proen Corp Publi
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, 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
64558 PRIVATE 202.52.4.0/22 23932 WINTH-AS-AP Internet Service
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
103.141.224.0/24 Origin: 136744 DPTL-AS-AP DREAM POWER TECHNOLOGY LIMITE
103.141.224.0/24 Transit: 138678 GTDC-AS-AP Grandbo Technology Developmen
103.161.0.0/24 Origin: 141730 UNASSIGNED
103.161.0.0/24 Transit: 55423 JASTEL-NETWORK-TH-IDC-AP JasTel Network,
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /15:139 /16:2162 /17:611 /18:843
/19:1077 /20:1383 /21:1581 /22:3615 /23:2577 /24:20804
/25:2 /26:3 /27:3 /28:3 /29:12 /30:41
/31:32 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 234 247 KENET-AS, KE
132280 155 304 SYMPHONY-AP-TH Symphony Communication Thailand
4621 150 515 UNINET-AS-AP UNINET-, TH
8895 131 136 ISU Internet Services Unit ISU, SA
133481 62 414 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 52 113 OCDE, US
131207 43 76 SINET-KH SINET, Cambodias specialist Internet a
133385 36 48 ATOMMYANMAR-AS-AP Atom Myanmar Limited, MM
18632 34 65 VOLCANO-VISION, US
32440 34 49 LONI, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:489 2:1 5:16 6:4 8:4 9:1
12:1 13:38 14:94 16:1 23:16 24:4
27:196 31:7 35:6 36:10 37:34 38:14
39:5 40:2 41:138 42:19 43:225 44:5
45:182 46:5 47:6 49:553 50:5 52:3
58:306 59:30 60:58 61:385 62:12 63:39
64:62 65:12 66:57 67:45 68:1 69:23
70:2 71:1 72:39 74:54 76:38 77:9
78:3 79:11 80:17 81:29 82:6 83:37
84:11 85:42 86:5 87:7 89:10 90:1
91:48 92:2 93:4 94:4 95:4 96:69
97:3 98:2 101:110 102:17 103:1281 104:82
106:75 107:51 108:8 109:10 110:463 111:124
112:42 113:145 114:43 115:141 116:71 117:79
118:377 119:298 120:6 121:33 122:323 123:109
124:160 125:196 128:95 129:46 130:89 131:79
132:62 133:149 134:310 135:6 136:223 137:82
138:10 139:20 140:64 141:15 142:39 143:32
144:41 145:3 146:157 147:87 148:199 149:15
150:157 151:7 152:76 153:14 154:120 155:52
156:76 157:36 158:41 159:255 160:26 161:93
162:24 163:97 164:89 165:102 166:3 167:52
168:176 169:10 170:80 171:194 172:5 173:8
175:102 176:10 177:8 179:10 180:130 181:2
182:223 183:36 184:13 185:76 186:3 187:19
188:15 189:3 190:18 191:39 192:1409 193:354
194:157 195:96 196:160 197:152 198:533 199:293
200:222 201:37 202:1303 203:1606 204:377 205:145
206:203 207:184 208:77 209:145 210:557 211:28
212:172 213:7 214:8 216:88 217:12 218:152
219:11 220:53 221:36 222:7 223:81
End of report
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