[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Sep 18 20:25:41 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Mon 18 Sep, 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: 25490
Prefixes after maximum aggregation (per Origin AS): 12231
Deaggregation factor: 2.08
Unique aggregates announced (without unneeded subnets): 13501
Number of IPv4 prefixes with a valid ROA: 9267
Number of IPv4 prefixes with an invalid ROA: 187
Number of IPv4 prefixes with no ROA: 16036
Total ASes present in the Internet Routing Table: 3149
Prefixes per ASN: 8.09
Origin-only ASes present in the Internet Routing Table: 2714
Origin ASes announcing only one prefix: 1189
Transit ASes present in the Internet Routing Table: 435
Transit-only ASes present in the Internet Routing Table: 79
Paths with bogon ASNs present in the IPv4 Routing Table: 5
Average AS path length visible in the Internet Routing Table: 6.3
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 42637
Number of 32-bit ASNs visible in the Routing Table: 833
Prefixes from 32-bit ASNs in the Routing Table: 3865
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: 3
Number of addresses announced to Internet: 210051328
Equivalent to 12 /8s, 133 /16s and 33 /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: 99.5
Total number of prefixes smaller than registry allocations: 2515
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 11183
Total APNIC prefixes after maximum aggregation: 3848
APNIC Deaggregation factor: 2.91
Prefixes being announced from the APNIC address blocks: 11099
Unique aggregates announced from the APNIC address blocks: 4301
APNIC Region origin ASes present in the Internet Routing Table: 879
APNIC Prefixes per ASN: 12.63
APNIC Region origin ASes announcing only one prefix: 345
APNIC Region transit ASes present in the Internet Routing Table: 108
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 395
Number of APNIC addresses announced to Internet: 51582976
Equivalent to 3 /8s, 19 /16s and 24 /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: 8106
Total ARIN prefixes after maximum aggregation: 4717
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8134
Unique aggregates announced from the ARIN address blocks: 5214
ARIN Region origin ASes present in the Internet Routing Table: 1268
ARIN Prefixes per ASN: 6.41
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: 197
Number of ARIN addresses announced to Internet: 93418496
Equivalent to 5 /8s, 145 /16s and 116 /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: 3692
Total RIPE prefixes after maximum aggregation: 2912
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3737
Unique aggregates announced from the RIPE address blocks: 2970
RIPE Region origin ASes present in the Internet Routing Table: 704
RIPE Prefixes per ASN: 5.31
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 111
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: 148
Number of RIPE addresses announced to Internet: 58019328
Equivalent to 3 /8s, 117 /16s and 78 /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: 1459
Total LACNIC prefixes after maximum aggregation: 576
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1457
Unique aggregates announced from the LACNIC address blocks: 779
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.78
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: 67
Number of LACNIC addresses announced to Internet: 4233984
Equivalent to 0 /8s, 64 /16s and 155 /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: 1046
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.01
Prefixes being announced from the AfriNIC address blocks: 1060
Unique aggregates announced from the AfriNIC address blocks: 234
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 21.20
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: 7.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2730496
Equivalent to 0 /8s, 41 /16s and 170 /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
2907 591 2162 464 SINET-AS Research Organization of Infor
131090 585 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 512 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 435 180 23 CSTNET-AS-AP Computer Network Informati
4618 367 55 6 INET-TH-AS Internet Thailand Company Li
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
132280 258 24 24 SYMPHONY-AP-TH Symphony Communication T
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 331 507 92 CSUNET-NW, US
668 202 635 171 DNIC-AS-00668, US
376 201 178 150 RISQ-AS, CA
5786 196 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 113 7 17 OCDE, US
2920 94 34 6 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
680 285 1903 249 DFN Verein zur Foerderung eines Deutsch
786 189 1767 182 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 99 24 51 Red Universitaria Nacional, CL
271640 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 59 102 39 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 363 319 71 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 43 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
2907 591 2162 464 SINET-AS Research Organization of Infor
131090 585 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 512 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 435 180 23 CSTNET-AS-AP Computer Network Informati
4618 367 55 6 INET-TH-AS Internet Thailand Company Li
2018 363 319 71 TENET-1, ZA
2152 331 507 92 CSUNET-NW, US
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 585 576 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 512 494 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 435 412 CSTNET-AS-AP Computer Network Information Cente
4618 367 361 INET-TH-AS Internet Thailand Company Limited, T
2018 363 292 TENET-1, ZA
36914 254 251 KENET-AS, KE
2152 331 239 CSUNET-NW, US
132280 258 234 SYMPHONY-AP-TH Symphony Communication Thailand
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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
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
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: 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 /16:2032 /17:496 /18:552
/19:669 /20:1106 /21:1028 /22:2094 /23:2051 /24:15121
/25:2 /26:3 /27:3 /28:3 /29:12 /30:39
/31:31 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 243 254 KENET-AS, KE
4621 147 512 UNINET-AS-AP UNINET-, TH
132280 139 258 SYMPHONY-AP-TH Symphony Communication Thailand
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
327700 38 43 MoRENet, MZ
32440 37 59 LONI, US
2152 35 331 CSUNET-NW, US
200521 33 56 SEAP-AGE, ES
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)
----------------------------------------------
1:133 2:1 5:15 6:4 8:4 12:1
14:92 16:1 18:1 23:9 24:4 27:71
31:7 37:5 38:9 40:1 41:119 42:10
43:25 44:6 45:85 46:5 47:5 49:338
50:4 52:1 58:96 59:22 60:4 61:328
62:13 63:37 64:55 65:1 66:53 67:43
68:9 69:19 70:2 71:1 72:7 74:47
76:41 77:9 78:3 79:10 80:12 81:28
82:6 83:31 84:11 85:42 86:10 87:1
89:10 90:1 91:51 92:3 93:4 94:4
95:2 96:31 97:1 98:2 101:17 102:30
103:566 104:75 106:64 107:3 108:13 109:9
110:384 111:45 112:27 113:38 114:23 115:35
116:67 117:71 118:117 119:230 121:28 122:226
123:9 124:46 125:14 128:91 129:49 130:90
131:69 132:60 133:152 134:309 136:196 137:130
138:11 139:9 140:46 141:10 142:38 143:24
144:35 145:3 146:143 147:76 148:200 149:13
150:50 151:12 152:148 153:14 154:36 155:63
156:66 157:26 158:34 159:240 160:29 161:48
162:27 163:100 164:65 165:49 166:1 167:17
168:104 169:7 170:69 171:140 172:5 173:4
174:2 175:26 176:8 177:5 179:12 180:70
181:2 182:17 183:8 184:17 185:72 186:3
187:17 188:15 189:3 190:19 191:16 192:1378
193:303 194:146 195:90 196:202 197:166 198:533
199:285 200:338 201:38 202:1030 203:1170 204:371
205:137 206:191 207:213 208:71 209:163 210:272
211:16 212:169 213:7 214:8 216:85 217:12
218:23 219:5 220:16 221:36 222:2 223:82
End of report
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