[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Apr 5 20:25:43 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Wed 05 Apr, 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: 26341
Prefixes after maximum aggregation (per Origin AS): 12614
Deaggregation factor: 2.09
Unique aggregates announced (without unneeded subnets): 14270
Number of IPv4 prefixes with a valid ROA: 8805
Number of IPv4 prefixes with an invalid ROA: 205
Number of IPv4 prefixes with no ROA: 17331
Total ASes present in the Internet Routing Table: 3241
Prefixes per ASN: 8.13
Origin-only ASes present in the Internet Routing Table: 2790
Origin ASes announcing only one prefix: 1225
Transit ASes present in the Internet Routing Table: 451
Transit-only ASes present in the Internet Routing Table: 85
Paths with bogon ASNs present in the IPv4 Routing Table: 28
Average AS path length visible in the Internet Routing Table: 6.3
Max AS path length visible: 23
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 28
Number of instances of unregistered ASNs: 28
Number of 32-bit ASNs allocated by the RIRs: 41605
Number of 32-bit ASNs visible in the Routing Table: 878
Prefixes from 32-bit ASNs in the Routing Table: 4082
Number of bogon 32-bit ASNs visible in the Routing Table: 44
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 210711552
Equivalent to 12 /8s, 143 /16s and 52 /24s
Percentage of available address space announced: 5.7
Percentage of allocated address space announced: 5.7
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: 2539
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 11969
Total APNIC prefixes after maximum aggregation: 4155
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 11890
Unique aggregates announced from the APNIC address blocks: 4864
APNIC Region origin ASes present in the Internet Routing Table: 971
APNIC Prefixes per ASN: 12.25
APNIC Region origin ASes announcing only one prefix: 384
APNIC Region transit ASes present in the Internet Routing Table: 125
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 448
Number of APNIC addresses announced to Internet: 52273408
Equivalent to 3 /8s, 29 /16s and 161 /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: 8248
Total ARIN prefixes after maximum aggregation: 4795
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8311
Unique aggregates announced from the ARIN address blocks: 5378
ARIN Region origin ASes present in the Internet Routing Table: 1278
ARIN Prefixes per ASN: 6.50
ARIN Region origin ASes announcing only one prefix: 455
ARIN Region transit ASes present in the Internet Routing Table: 167
Average ARIN Region AS path length visible: 8.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 196
Number of ARIN addresses announced to Internet: 93770240
Equivalent to 5 /8s, 150 /16s and 210 /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: 3644
Total RIPE prefixes after maximum aggregation: 2890
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3678
Unique aggregates announced from the RIPE address blocks: 2946
RIPE Region origin ASes present in the Internet Routing Table: 695
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 7.0
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 57935872
Equivalent to 3 /8s, 116 /16s and 8 /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: 1436
Total LACNIC prefixes after maximum aggregation: 560
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1433
Unique aggregates announced from the LACNIC address blocks: 777
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 9.25
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 24
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: 62
Number of LACNIC addresses announced to Internet: 4079104
Equivalent to 0 /8s, 62 /16s and 62 /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: 1016
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 1027
Unique aggregates announced from the AfriNIC address blocks: 303
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.14
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 7.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2652160
Equivalent to 0 /8s, 40 /16s and 120 /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 675 389 60 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 601 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 593 2159 463 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 482 35 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 461 70 34 CAT-AP The Communication Authoity of Th
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4618 366 55 6 INET-TH-AS Internet Thailand Company Li
132280 304 24 27 SYMPHONY-AP-TH Symphony Communication T
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
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 236 507 94 CSUNET-NW, US
668 214 620 177 DNIC-AS-00668, US
5786 199 16 1 UPRENET, PR
376 197 178 147 RISQ-AS, CA
18558 139 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, 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
680 285 1919 249 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 137 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 SWITCH Peering requests: peering at switch
1103 96 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 74 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 223 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 100 24 46 Red Universitaria Nacional, CL
1251 59 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 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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 382 319 72 TENET-1, ZA
36914 257 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 63 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
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
7470 675 389 60 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 601 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 593 2159 463 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 482 35 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 461 70 34 CAT-AP The Communication Authoity of Th
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 382 319 72 TENET-1, ZA
4618 366 55 6 INET-TH-AS Internet Thailand Company Li
132280 304 24 27 SYMPHONY-AP-TH Symphony Communication T
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 601 592 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 515 497 UNINET-AS-AP UNINET-, TH
9931 461 427 CAT-AP The Communication Authoity of Thailand,
45458 482 418 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
4618 366 360 INET-TH-AS Internet Thailand Company Limited, T
2018 382 310 TENET-1, ZA
132280 304 277 SYMPHONY-AP-TH Symphony Communication Thailand
36914 257 254 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, 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
138219 UNALLOCATED 103.207.69.0/24 23884 PROENNET-AS Proen Corp Publi
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
65200 PRIVATE 119.63.69.0/24 65128 UNASSIGNED
66666 UNALLOCATED 123.242.128.0/18 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.144.0/22 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.152.0/22 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.156.0/22 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.160.0/22 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.164.0/22 38450 EGOV-AS-TH Ministry of Infom
66666 UNALLOCATED 123.242.172.0/22 38450 EGOV-AS-TH Ministry of Infom
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
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 /11:1 /12:10
/13:18 /14:33 /15:123 /16:2035 /17:494 /18:576
/19:689 /20:1135 /21:1078 /22:2116 /23:2083 /24:15791
/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 244 257 KENET-AS, KE
132280 156 304 SYMPHONY-AP-TH Symphony Communication Thailand
4621 150 515 UNINET-AS-AP UNINET-, TH
8895 132 137 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
18632 34 66 VOLCANO-VISION, US
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
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)
----------------------------------------------
1:133 2:1 5:15 6:4 8:4 12:1
14:92 16:1 18:1 23:9 24:4 27:107
31:7 35:6 36:1 37:9 38:9 40:1
41:107 42:15 43:150 44:5 45:79 46:5
47:5 49:333 50:4 52:1 58:101 59:23
60:4 61:296 62:13 63:37 64:59 65:5
66:49 67:45 68:8 69:19 70:2 71:1
72:7 74:53 76:43 77:9 78:3 79:11
80:17 81:28 82:7 83:40 84:11 85:43
86:5 87:3 89:10 90:1 91:49 92:2
93:4 94:4 95:2 96:36 97:2 98:2
101:20 102:17 103:682 104:78 106:67 107:20
108:10 109:10 110:393 111:60 112:29 113:49
114:30 115:35 116:66 117:71 118:127 119:245
121:28 122:228 123:16 124:45 125:16 128:90
129:46 130:88 131:68 132:56 133:157 134:307
136:200 137:91 138:11 139:12 140:59 141:5
142:39 143:31 144:38 145:3 146:144 147:76
148:197 149:13 150:137 151:9 152:145 153:14
154:64 155:55 156:69 157:37 158:36 159:247
160:27 161:62 162:24 163:91 164:86 165:78
166:1 167:20 168:123 169:7 170:80 171:140
172:5 173:7 174:1 175:39 176:8 177:9
179:9 180:70 181:2 182:23 183:9 184:12
185:61 186:3 187:18 188:15 189:3 190:18
191:39 192:1362 193:351 194:149 195:92 196:169
197:160 198:528 199:280 200:278 201:38 202:1079
203:1279 204:367 205:141 206:196 207:180 208:71
209:145 210:290 211:19 212:171 213:7 214:8
216:87 217:12 218:52 219:6 220:17 221:36
222:5 223:77
End of report
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