[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Aug 11 20:25:46 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Fri 11 Aug, 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: 22964
Prefixes after maximum aggregation (per Origin AS): 11221
Deaggregation factor: 2.05
Unique aggregates announced (without unneeded subnets): 12540
Number of IPv4 prefixes with a valid ROA: 8123
Number of IPv4 prefixes with an invalid ROA: 160
Number of IPv4 prefixes with no ROA: 14681
Total ASes present in the Internet Routing Table: 2938
Prefixes per ASN: 7.82
Origin-only ASes present in the Internet Routing Table: 2525
Origin ASes announcing only one prefix: 1122
Transit ASes present in the Internet Routing Table: 413
Transit-only ASes present in the Internet Routing Table: 78
Paths with bogon ASNs present in the IPv4 Routing Table: 8
Average AS path length visible in the Internet Routing Table: 6.4
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 42407
Number of 32-bit ASNs visible in the Routing Table: 759
Prefixes from 32-bit ASNs in the Routing Table: 3409
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: 2
Number of addresses announced to Internet: 194658240
Equivalent to 11 /8s, 154 /16s and 63 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 2295
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8736
Total APNIC prefixes after maximum aggregation: 2916
APNIC Deaggregation factor: 3.00
Prefixes being announced from the APNIC address blocks: 8625
Unique aggregates announced from the APNIC address blocks: 3367
APNIC Region origin ASes present in the Internet Routing Table: 700
APNIC Prefixes per ASN: 12.32
APNIC Region origin ASes announcing only one prefix: 285
APNIC Region transit ASes present in the Internet Routing Table: 90
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 328
Number of APNIC addresses announced to Internet: 36734400
Equivalent to 2 /8s, 48 /16s and 133 /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: 8079
Total ARIN prefixes after maximum aggregation: 4698
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8146
Unique aggregates announced from the ARIN address blocks: 5232
ARIN Region origin ASes present in the Internet Routing Table: 1259
ARIN Prefixes per ASN: 6.47
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 192
Number of ARIN addresses announced to Internet: 93117952
Equivalent to 5 /8s, 140 /16s and 222 /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: 3628
Total RIPE prefixes after maximum aggregation: 2861
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3670
Unique aggregates announced from the RIPE address blocks: 2927
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 108
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: 147
Number of RIPE addresses announced to Internet: 57859072
Equivalent to 3 /8s, 114 /16s and 220 /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: 1462
Total LACNIC prefixes after maximum aggregation: 571
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1461
Unique aggregates announced from the LACNIC address blocks: 783
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.85
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 8.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4234752
Equivalent to 0 /8s, 64 /16s and 158 /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: 1052
Total AfriNIC prefixes after maximum aggregation: 168
AfriNIC Deaggregation factor: 6.26
Prefixes being announced from the AfriNIC address blocks: 1060
Unique aggregates announced from the AfriNIC address blocks: 229
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 22.08
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 7.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2711552
Equivalent to 0 /8s, 41 /16s and 96 /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 683 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 588 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 508 73 18 UNINET-AS-AP UNINET-, TH
45458 488 38 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 70 33 CAT-AP The Communication Authoity of Th
7497 432 180 23 CSTNET-AS-AP Computer Network Informati
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 191 74 139 KREONET-AS-KR KISTI, KR
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
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 278 507 94 CSUNET-NW, US
668 204 652 173 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 118 458 28 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 82 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, 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
680 286 1903 249 DFN Verein zur Foerderung eines Deutsch
786 190 1767 183 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 74 ROEDUNET, RO
137 94 677 77 ASGARR Consortium GARR, IT
553 74 465 74 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 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 34 4 3 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 370 319 71 TENET-1, ZA
36914 261 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 40 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 683 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 588 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 508 73 18 UNINET-AS-AP UNINET-, TH
45458 488 38 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 70 33 CAT-AP The Communication Authoity of Th
7497 432 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 71 TENET-1, ZA
680 286 1903 249 DFN Verein zur Foerderung eines Deutsch
2152 278 507 94 CSUNET-NW, US
131293 273 23 64 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 588 579 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 508 490 UNINET-AS-AP UNINET-, TH
45458 488 444 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 470 437 CAT-AP The Communication Authoity of Thailand,
7497 432 409 CSTNET-AS-AP Computer Network Information Cente
2018 370 299 TENET-1, ZA
36914 261 258 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
2152 278 184 CSUNET-NW, 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
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 119.63.67.0/24 65128 -Private Use AS-, ZZ
65200 PRIVATE 119.63.69.0/24 65128 -Private Use AS-, ZZ
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64558 PRIVATE 202.52.4.0/22 23932 WINTH-AS-AP Internet Service
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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /16:1819 /17:434 /18:537
/19:616 /20:966 /21:898 /22:1793 /23:1762 /24:13799
/25:2 /26:3 /27:3 /28:3 /29:12 /30:39
/31:31 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 249 261 KENET-AS, KE
4621 146 508 UNINET-AS-AP UNINET-, TH
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 34 40 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
25977 30 44 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:135 2:1 5:15 6:4 8:4 12:1
14:92 18:1 23:24 24:1 27:56 31:7
35:2 38:9 40:1 41:116 42:9 43:87
44:6 45:68 46:5 47:4 49:339 50:3
52:1 58:94 59:10 60:4 61:289 62:12
63:37 64:57 65:4 66:51 67:43 68:8
69:19 70:2 71:1 72:5 74:50 76:41
77:9 78:3 79:10 80:13 81:26 82:7
83:6 84:11 85:42 86:10 87:1 89:10
90:1 91:47 92:2 93:4 94:4 95:14
96:5 97:2 98:2 101:16 102:32 103:408
104:80 106:67 107:7 108:10 109:8 110:369
111:40 112:27 113:41 114:26 115:8 116:53
117:61 118:101 119:197 121:16 122:218 123:2
124:44 125:12 128:91 129:49 130:89 131:65
132:60 133:11 134:307 136:198 137:133 138:11
139:11 140:38 141:7 142:38 143:23 144:31
145:3 146:131 147:71 148:199 149:13 150:44
151:11 152:134 153:14 154:61 155:63 156:67
157:24 158:37 159:240 160:3 161:25 162:26
163:92 164:65 165:48 166:1 167:18 168:123
169:8 170:78 171:140 172:4 173:6 174:1
175:19 176:8 177:5 179:12 180:71 181:1
182:19 183:9 184:12 185:60 186:3 187:17
188:14 189:3 190:19 191:13 192:1295 193:299
194:131 195:87 196:204 197:168 198:539 199:286
200:339 201:38 202:677 203:951 204:365 205:142
206:197 207:190 208:68 209:159 210:246 211:16
212:169 213:5 214:8 216:86 217:11 218:23
220:16 221:36 222:2 223:59
End of report
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