[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Oct 18 20:25:42 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Wed 18 Oct, 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: 22418
Prefixes after maximum aggregation (per Origin AS): 11320
Deaggregation factor: 1.98
Unique aggregates announced (without unneeded subnets): 12760
Number of IPv4 prefixes with a valid ROA: 8055
Number of IPv4 prefixes with an invalid ROA: 146
Number of IPv4 prefixes with no ROA: 14217
Total ASes present in the Internet Routing Table: 2960
Prefixes per ASN: 7.57
Origin-only ASes present in the Internet Routing Table: 2552
Origin ASes announcing only one prefix: 1142
Transit ASes present in the Internet Routing Table: 408
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 7
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 18
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 42845
Number of 32-bit ASNs visible in the Routing Table: 782
Prefixes from 32-bit ASNs in the Routing Table: 3453
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: 194812480
Equivalent to 11 /8s, 156 /16s and 154 /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: 99.5
Total number of prefixes smaller than registry allocations: 2032
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8249
Total APNIC prefixes after maximum aggregation: 2937
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 8089
Unique aggregates announced from the APNIC address blocks: 3444
APNIC Region origin ASes present in the Internet Routing Table: 715
APNIC Prefixes per ASN: 11.31
APNIC Region origin ASes announcing only one prefix: 297
APNIC Region transit ASes present in the Internet Routing Table: 91
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 347
Number of APNIC addresses announced to Internet: 36301376
Equivalent to 2 /8s, 41 /16s and 234 /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: 8236
Total ARIN prefixes after maximum aggregation: 4720
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 8341
Unique aggregates announced from the ARIN address blocks: 5296
ARIN Region origin ASes present in the Internet Routing Table: 1266
ARIN Prefixes per ASN: 6.59
ARIN Region origin ASes announcing only one prefix: 453
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 196
Number of ARIN addresses announced to Internet: 93595392
Equivalent to 5 /8s, 148 /16s and 39 /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: 3590
Total RIPE prefixes after maximum aggregation: 2917
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3638
Unique aggregates announced from the RIPE address blocks: 3014
RIPE Region origin ASes present in the Internet Routing Table: 687
RIPE Prefixes per ASN: 5.30
RIPE Region origin ASes announcing only one prefix: 303
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 7.8
Max RIPE Region AS path length visible: 18
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 57958912
Equivalent to 3 /8s, 116 /16s and 98 /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: 1443
Total LACNIC prefixes after maximum aggregation: 571
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1441
Unique aggregates announced from the LACNIC address blocks: 771
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.63
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4161792
Equivalent to 0 /8s, 63 /16s and 129 /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: 895
Total AfriNIC prefixes after maximum aggregation: 170
AfriNIC Deaggregation factor: 5.26
Prefixes being announced from the AfriNIC address blocks: 904
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.45
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2728448
Equivalent to 0 /8s, 41 /16s and 162 /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 684 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 582 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 493 39 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 471 70 33 CAT-AP The Communication Authoity of Th
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
131293 274 23 65 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 193 74 142 KREONET-AS-KR KISTI, KR
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
23969 158 36 138 TOT-NET TOT Public Company Limited, 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
2152 370 507 93 CSUNET-NW, US
376 202 178 151 RISQ-AS, CA
668 202 636 171 DNIC-AS-00668, US
5786 197 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 113 7 17 OCDE, US
2920 101 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
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 132 13 50 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 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 64 599 59 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 213 176 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 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 43 99 33 Fundacao Carlos Chagas Filho de Amparo
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 383 319 71 TENET-1, ZA
327687 168 28 3 RENU, UG
36914 82 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 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 684 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 582 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 493 39 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 471 70 33 CAT-AP The Communication Authoity of Th
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 383 319 71 TENET-1, ZA
2152 370 507 93 CSUNET-NW, US
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
131293 274 23 65 TOT-LLI-AS-AP TOT Public Company Limite
1916 213 176 42 Rede Nacional de Ensino e Pesquisa, BR
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 582 573 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
45458 493 448 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 471 438 CAT-AP The Communication Authoity of Thailand,
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 383 312 TENET-1, ZA
2152 370 277 CSUNET-NW, US
131293 274 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
1916 213 171 Rede Nacional de Ensino e Pesquisa, BR
327687 168 165 RENU, UG
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
65208 PRIVATE 63.225.1.0/24 11570 EASTERN-NEW-MEXICO-UNIVERITY
138219 UNALLOCATED 103.207.69.0/24 23884 PROENNET-AS Proen Corp Publi
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
65208 PRIVATE 216.161.32.0/23 11570 EASTERN-NEW-MEXICO-UNIVERITY
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.67.50.0/24 Origin: 151965 HATG-AS-AP Hepta Alliance Technology Gro
103.67.50.0/24 Transit: 150692 GD2CL-AS-AP Golden Dragon 2000, MM
103.67.51.0/24 Origin: 151965 HATG-AS-AP Hepta Alliance Technology Gro
103.67.51.0/24 Transit: 150692 GD2CL-AS-AP Golden Dragon 2000, MM
134.208.0.0/16 Origin: 1659 ERX-TANET-ASN1 Taiwan Academic Network T
134.208.0.0/16 Transit: 9264 ASNET Academia Sinica, TW
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 7500 M-ROOT-DNS WIDE Project, JP
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 /15:122 /16:1823 /17:433 /18:537
/19:607 /20:974 /21:897 /22:1803 /23:1775 /24:13377
/25:1 /26:2 /27:2 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 129 132 ISU Internet Services Unit ISU, SA
36914 74 82 KENET-AS, KE
23024 52 113 OCDE, US
134729 48 64 JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
32440 38 61 LONI, US
2152 37 370 CSUNET-NW, US
327700 36 38 MoRENet, MZ
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 18:1 23:23 24:1 27:53 31:7
35:2 38:10 40:1 41:117 42:10 43:21
44:6 45:75 46:5 47:4 49:338 50:4
52:1 58:93 59:11 60:5 61:291 62:11
63:37 64:57 65:37 66:52 67:43 68:9
69:18 70:2 71:1 72:7 74:46 76:42
77:9 78:3 79:10 80:13 81:28 82:7
83:8 84:11 85:42 86:4 87:1 89:10
91:48 92:2 93:4 94:4 95:18 96:5
97:2 98:2 101:16 102:30 103:430 104:76
106:3 107:14 108:13 109:8 110:378 111:31
112:27 113:42 114:26 115:12 116:22 117:62
118:100 119:194 121:12 122:218 123:9 124:44
125:14 128:92 129:52 130:88 131:65 132:64
133:9 134:303 136:197 137:132 138:10 139:11
140:37 141:2 142:38 143:24 144:35 145:2
146:132 147:73 148:199 149:13 150:46 151:12
152:132 153:14 154:64 155:63 156:66 157:24
158:34 159:239 160:4 161:20 162:26 163:92
164:69 165:48 166:1 167:18 168:123 169:8
170:84 171:140 172:5 173:7 174:1 175:18
176:8 177:6 179:12 180:74 181:1 182:18
183:9 184:12 185:60 186:3 187:17 188:13
189:3 190:19 191:13 192:1324 193:300 194:139
195:89 196:203 197:3 198:547 199:276 200:332
201:38 202:581 203:790 204:372 205:150 206:199
207:221 208:73 209:165 210:248 211:16 212:163
213:5 214:7 216:84 217:9 218:23 220:16
221:36 222:2 223:59
End of report
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