[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 23 20:25:45 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Sun 23 Jul, 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: 24144
Prefixes after maximum aggregation (per Origin AS): 11328
Deaggregation factor: 2.13
Unique aggregates announced (without unneeded subnets): 12923
Number of IPv4 prefixes with a valid ROA: 9171
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 14804
Total ASes present in the Internet Routing Table: 3005
Prefixes per ASN: 8.03
Origin-only ASes present in the Internet Routing Table: 2567
Origin ASes announcing only one prefix: 1122
Transit ASes present in the Internet Routing Table: 438
Transit-only ASes present in the Internet Routing Table: 93
Paths with bogon ASNs present in the IPv4 Routing Table: 10
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: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 42285
Number of 32-bit ASNs visible in the Routing Table: 793
Prefixes from 32-bit ASNs in the Routing Table: 4085
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: 4
Number of addresses announced to Internet: 192918464
Equivalent to 11 /8s, 127 /16s and 179 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 2436
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 10056
Total APNIC prefixes after maximum aggregation: 3135
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 9952
Unique aggregates announced from the APNIC address blocks: 3875
APNIC Region origin ASes present in the Internet Routing Table: 757
APNIC Prefixes per ASN: 13.15
APNIC Region origin ASes announcing only one prefix: 289
APNIC Region transit ASes present in the Internet Routing Table: 101
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 364
Number of APNIC addresses announced to Internet: 37774272
Equivalent to 2 /8s, 64 /16s and 99 /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: 7974
Total ARIN prefixes after maximum aggregation: 4576
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 8037
Unique aggregates announced from the ARIN address blocks: 5115
ARIN Region origin ASes present in the Internet Routing Table: 1249
ARIN Prefixes per ASN: 6.43
ARIN Region origin ASes announcing only one prefix: 446
ARIN Region transit ASes present in the Internet Routing Table: 167
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 191
Number of ARIN addresses announced to Internet: 90271744
Equivalent to 5 /8s, 97 /16s and 112 /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: 2874
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3668
Unique aggregates announced from the RIPE address blocks: 2925
RIPE Region origin ASes present in the Internet Routing Table: 686
RIPE Prefixes per ASN: 5.35
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 109
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: 57920000
Equivalent to 3 /8s, 115 /16s and 202 /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: 1389
Total LACNIC prefixes after maximum aggregation: 562
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1388
Unique aggregates announced from the LACNIC address blocks: 772
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 8.46
LACNIC Region origin ASes announcing only one prefix: 62
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: 67
Number of LACNIC addresses announced to Internet: 4222976
Equivalent to 0 /8s, 64 /16s and 112 /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: 1087
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 6.36
Prefixes being announced from the AfriNIC address blocks: 1095
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 21.90
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: 7.3
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2728192
Equivalent to 0 /8s, 41 /16s and 161 /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 738 533 52 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 589 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 508 73 18 UNINET-AS-AP UNINET-, TH
45458 489 38 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 469 70 33 CAT-AP The Communication Authoity of Th
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
133481 409 74 32 AIS-FIBRE-AS-AP AIS Fibre, TH
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
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 269 507 94 CSUNET-NW, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
23024 113 7 17 OCDE, US
19551 109 7 78 INCAPSULA, US
2920 107 34 7 LACOE, US
21976 84 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
680 285 1903 249 DFN Verein zur Foerderung eines Deutsch
786 190 1767 183 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 111 533 103 SWITCH Peering requests: peering at switch
1103 95 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 74 ROEDUNET, RO
137 93 676 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 220 176 41 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 101 24 46 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 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
3596 34 4 3 Universidad Autonoma Metropolitana, MX
271640 34 8 1 UNIVERSIDADE FEDERAL DE VICOSA, 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 372 319 72 TENET-1, ZA
36914 260 82 3 KENET-AS, KE
327687 161 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
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
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 738 533 52 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 589 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 508 73 18 UNINET-AS-AP UNINET-, TH
45458 489 38 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 469 70 33 CAT-AP The Communication Authoity of Th
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
133481 409 74 32 AIS-FIBRE-AS-AP AIS Fibre, TH
2018 372 319 72 TENET-1, ZA
680 285 1903 249 DFN Verein zur Foerderung eines Deutsch
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 589 580 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 508 490 UNINET-AS-AP UNINET-, TH
45458 489 444 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 469 436 CAT-AP The Communication Authoity of Thailand,
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
133481 409 377 AIS-FIBRE-AS-AP AIS Fibre, TH
2018 372 300 TENET-1, ZA
36914 260 257 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
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
132172 UNALLOCATED 103.6.165.0/24 7470 TRUEINTERNET-AS-AP TRUE INTE
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 UNASSIGNED
65200 PRIVATE 119.63.69.0/24 65128 UNASSIGNED
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64558 PRIVATE 180.128.0.0/16 23932 WINTH-AS-AP Internet Service
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
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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
103.6.165.0/24 Origin: 132172 UNASSIGNED
103.6.165.0/24 Transit: 7470 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd
192.31.196.0/24 Origin: 112 UNASSIGNED
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 /14:34 /15:122 /16:1803 /17:451 /18:534
/19:617 /20:989 /21:878 /22:2084 /23:1780 /24:14668
/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 248 260 KENET-AS, KE
4621 146 508 UNINET-AS-AP UNINET-, TH
8895 127 132 ISU Internet Services Unit ISU, SA
133481 65 409 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 52 113 OCDE, US
327700 38 44 MoRENet, MZ
32440 37 59 LONI, US
18632 34 66 VOLCANO-VISION, US
19551 32 109 INCAPSULA, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:138 2:1 5:15 8:4 12:1 14:94
18:1 23:26 24:1 27:66 31:7 35:2
38:9 40:1 41:148 42:10 43:96 44:6
45:117 46:5 47:4 49:550 50:3 52:1
58:212 59:10 60:4 61:305 62:12 63:38
64:58 65:5 66:48 67:43 68:8 69:19
70:2 71:1 72:7 74:50 76:41 77:9
78:3 79:10 80:13 81:26 82:7 83:6
84:11 85:41 86:11 87:1 89:10 90:1
91:46 92:2 93:4 94:4 95:14 96:6
97:2 98:2 101:23 102:31 103:454 104:80
106:67 107:50 108:10 109:8 110:420 111:55
112:27 113:45 114:34 115:10 116:57 117:61
118:105 119:238 121:16 122:224 123:16 124:43
125:12 128:92 129:47 130:90 131:63 132:60
133:11 134:307 136:199 137:130 138:11 139:15
140:49 141:8 142:38 143:23 144:36 145:3
146:131 147:60 148:199 149:13 150:44 151:11
152:136 153:14 154:59 155:63 156:68 157:31
158:38 159:241 160:1 161:28 162:26 163:86
164:65 165:47 166:1 167:18 168:165 169:8
170:85 171:144 172:4 173:6 174:1 175:19
176:8 177:5 179:12 180:77 181:1 182:44
183:9 184:18 185:64 186:3 187:17 188:14
189:3 190:18 191:13 192:1285 193:301 194:136
195:87 196:203 197:166 198:531 199:256 200:285
201:38 202:744 203:1076 204:361 205:138 206:194
207:188 208:74 209:156 210:258 211:5 212:161
213:5 216:87 217:11 218:24 220:17 221:36
222:2 223:59
End of report
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