[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Jul 10 20:25:42 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Mon 10 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: 24442
Prefixes after maximum aggregation (per Origin AS): 11515
Deaggregation factor: 2.12
Unique aggregates announced (without unneeded subnets): 13166
Number of IPv4 prefixes with a valid ROA: 9139
Number of IPv4 prefixes with an invalid ROA: 213
Number of IPv4 prefixes with no ROA: 15090
Total ASes present in the Internet Routing Table: 3008
Prefixes per ASN: 8.13
Origin-only ASes present in the Internet Routing Table: 2580
Origin ASes announcing only one prefix: 1128
Transit ASes present in the Internet Routing Table: 428
Transit-only ASes present in the Internet Routing Table: 87
Paths with bogon ASNs present in the IPv4 Routing Table: 8
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: 42273
Number of 32-bit ASNs visible in the Routing Table: 791
Prefixes from 32-bit ASNs in the Routing Table: 4116
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: 196374464
Equivalent to 11 /8s, 180 /16s and 111 /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: 2442
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 10086
Total APNIC prefixes after maximum aggregation: 3131
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 9979
Unique aggregates announced from the APNIC address blocks: 3884
APNIC Region origin ASes present in the Internet Routing Table: 758
APNIC Prefixes per ASN: 13.16
APNIC Region origin ASes announcing only one prefix: 292
APNIC Region transit ASes present in the Internet Routing Table: 98
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: 360
Number of APNIC addresses announced to Internet: 37772992
Equivalent to 2 /8s, 64 /16s and 94 /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: 8229
Total ARIN prefixes after maximum aggregation: 4778
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8296
Unique aggregates announced from the ARIN address blocks: 5353
ARIN Region origin ASes present in the Internet Routing Table: 1261
ARIN Prefixes per ASN: 6.58
ARIN Region origin ASes announcing only one prefix: 449
ARIN Region transit ASes present in the Internet Routing Table: 166
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: 192
Number of ARIN addresses announced to Internet: 93802240
Equivalent to 5 /8s, 151 /16s and 79 /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: 3632
Total RIPE prefixes after maximum aggregation: 2869
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3673
Unique aggregates announced from the RIPE address blocks: 2936
RIPE Region origin ASes present in the Internet Routing Table: 685
RIPE Prefixes per ASN: 5.36
RIPE Region origin ASes announcing only one prefix: 301
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: 146
Number of RIPE addresses announced to Internet: 57914624
Equivalent to 3 /8s, 115 /16s and 181 /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: 1425
Total LACNIC prefixes after maximum aggregation: 555
LACNIC Deaggregation factor: 2.57
Prefixes being announced from the LACNIC address blocks: 1423
Unique aggregates announced from the LACNIC address blocks: 757
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.89
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 27
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: 66
Number of LACNIC addresses announced to Internet: 4208384
Equivalent to 0 /8s, 64 /16s and 55 /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: 1060
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.16
Prefixes being announced from the AfriNIC address blocks: 1067
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.92
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 9
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: 2671104
Equivalent to 0 /8s, 40 /16s and 194 /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 594 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 507 73 18 UNINET-AS-AP UNINET-, TH
45458 488 37 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 465 70 33 CAT-AP The Communication Authoity of Th
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
133481 417 74 31 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 190 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
668 216 620 179 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
23024 113 7 17 OCDE, US
19551 108 7 77 INCAPSULA, US
2920 107 34 7 LACOE, 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
680 286 1919 250 DFN Verein zur Foerderung eines Deutsch
786 189 1767 183 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 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 219 192 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 56 36 15 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 48 16 1 Red de Interconexion Universitaria, AR
61468 43 3 15 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
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 343 319 71 TENET-1, ZA
36914 258 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 41 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 594 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 507 73 18 UNINET-AS-AP UNINET-, TH
45458 488 37 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 465 70 33 CAT-AP The Communication Authoity of Th
7497 434 180 23 CSTNET-AS-AP Computer Network Informati
133481 417 74 31 AIS-FIBRE-AS-AP AIS Fibre, TH
2018 343 319 71 TENET-1, ZA
680 286 1919 250 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 594 585 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 507 489 UNINET-AS-AP UNINET-, TH
45458 488 444 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 465 432 CAT-AP The Communication Authoity of Thailand,
7497 434 411 CSTNET-AS-AP Computer Network Information Cente
133481 417 386 AIS-FIBRE-AS-AP AIS Fibre, TH
2018 343 272 TENET-1, ZA
36914 258 255 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 198 197 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
29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US
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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US
29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, 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
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
64.202.80.0/20 Origin: 29867 UNASSIGNED
64.202.80.0/20 Transit: 22742 CT-EDU-NET, US
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
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 /15:123 /16:1846 /17:456 /18:541
/19:625 /20:1005 /21:919 /22:2112 /23:1812 /24:14786
/25:2 /26:3 /27:3 /28:3 /29:12 /30:39
/31:30 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 246 258 KENET-AS, KE
4621 145 507 UNINET-AS-AP UNINET-, TH
8895 127 132 ISU Internet Services Unit ISU, SA
133481 69 417 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 35 41 MoRENet, MZ
18632 34 66 VOLCANO-VISION, US
200521 33 56 SEAP-AGE, ES
19551 32 108 INCAPSULA, US
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 6:4 8:4 12:1
14:94 18:1 23:26 24:1 27:66 31:7
35:2 38:9 40:1 41:146 42:10 43:96
44:6 45:119 46:5 47:4 49:559 50:3
52:1 58:212 59:10 60:4 61:303 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 85:42 86:11 87:1 89:10
90:1 91:47 92:2 93:4 94:4 95:14
96:1 97:2 98:2 101:23 102:31 103:455
104:80 106:67 107:50 108:10 109:8 110:419
111:60 112:26 113:44 114:34 115:10 116:58
117:61 118:106 119:239 121:27 122:223 123:15
124:43 125:12 128:92 129:46 130:89 131:64
132:62 133:11 134:306 136:205 137:133 138:10
139:15 140:52 141:7 142:39 143:23 144:36
145:3 146:132 147:71 148:199 149:13 150:41
151:11 152:136 153:14 154:58 155:63 156:68
157:31 158:37 159:242 160:1 161:28 162:26
163:90 164:64 165:47 166:1 167:18 168:151
169:8 170:84 171:144 172:4 173:7 174:1
175:19 176:8 177:5 179:12 180:76 181:1
182:46 183:9 184:18 185:65 186:3 187:17
188:14 189:3 190:18 191:13 192:1315 193:301
194:136 195:88 196:200 197:163 198:543 199:287
200:293 201:38 202:738 203:1065 204:363 205:142
206:194 207:191 208:74 209:160 210:258 211:5
212:166 213:5 214:8 216:87 217:11 218:24
220:17 221:36 222:2 223:59
End of report
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