[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 14 20:25:46 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Tue 14 Feb, 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: 35140
Prefixes after maximum aggregation (per Origin AS): 14331
Deaggregation factor: 2.45
Unique aggregates announced (without unneeded subnets): 16155
Number of IPv4 prefixes with a valid ROA: 14854
Number of IPv4 prefixes with an invalid ROA: 264
Number of IPv4 prefixes with no ROA: 20022
Total ASes present in the Internet Routing Table: 3552
Prefixes per ASN: 9.89
Origin-only ASes present in the Internet Routing Table: 3032
Origin ASes announcing only one prefix: 1248
Transit ASes present in the Internet Routing Table: 520
Transit-only ASes present in the Internet Routing Table: 91
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 6.2
Max AS path length visible: 23
Max AS path prepend of ASN (136205) 15
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 41188
Number of 32-bit ASNs visible in the Routing Table: 1072
Prefixes from 32-bit ASNs in the Routing Table: 6449
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: 6
Number of addresses announced to Internet: 237036800
Equivalent to 14 /8s, 32 /16s and 229 /24s
Percentage of available address space announced: 6.4
Percentage of allocated address space announced: 6.4
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: 2653
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20764
Total APNIC prefixes after maximum aggregation: 5610
APNIC Deaggregation factor: 3.70
Prefixes being announced from the APNIC address blocks: 20569
Unique aggregates announced from the APNIC address blocks: 6407
APNIC Region origin ASes present in the Internet Routing Table: 1258
APNIC Prefixes per ASN: 16.35
APNIC Region origin ASes announcing only one prefix: 401
APNIC Region transit ASes present in the Internet Routing Table: 189
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 646
Number of APNIC addresses announced to Internet: 60902656
Equivalent to 3 /8s, 161 /16s and 77 /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, 131072-151865
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: 8508
Total ARIN prefixes after maximum aggregation: 5053
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 8600
Unique aggregates announced from the ARIN address blocks: 5715
ARIN Region origin ASes present in the Internet Routing Table: 1286
ARIN Prefixes per ASN: 6.69
ARIN Region origin ASes announcing only one prefix: 454
ARIN Region transit ASes present in the Internet Routing Table: 169
Average ARIN Region AS path length visible: 7.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 190
Number of ARIN addresses announced to Internet: 109327360
Equivalent to 6 /8s, 132 /16s and 52 /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: 3731
Total RIPE prefixes after maximum aggregation: 2941
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3728
Unique aggregates announced from the RIPE address blocks: 2999
RIPE Region origin ASes present in the Internet Routing Table: 711
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 319
RIPE Region transit ASes present in the Internet Routing Table: 103
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: 153
Number of RIPE addresses announced to Internet: 59575296
Equivalent to 3 /8s, 141 /16s and 12 /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: 1357
Total LACNIC prefixes after maximum aggregation: 558
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1357
Unique aggregates announced from the LACNIC address blocks: 778
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 9.05
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 9.0
Max LACNIC Region AS path length visible: 16
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59
Number of LACNIC addresses announced to Internet: 4566528
Equivalent to 0 /8s, 69 /16s and 174 /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: 769
Total AfriNIC prefixes after maximum aggregation: 158
AfriNIC Deaggregation factor: 4.87
Prefixes being announced from the AfriNIC address blocks: 880
Unique aggregates announced from the AfriNIC address blocks: 250
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 18.72
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2663168
Equivalent to 0 /8s, 40 /16s and 163 /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
23969 1968 314 16 TOT-NET TOT Public Company Limited, TH
7470 727 532 45 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 690 171 60 NCIC-TW New Century InfoComm Tech Co.,
131090 611 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 582 2157 461 SINET-AS Research Organization of Infor
38623 522 21 13 VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODI
4621 512 73 18 UNINET-AS-AP UNINET-, TH
45458 482 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 451 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 448 70 34 CAT-AP The Communication Authoity of 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
668 219 702 180 DNIC-AS-00668, US
2152 211 507 93 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
8075 104 4107 103 MICROSOFT-CORP-MSN-AS-BLOCK, US
19551 102 6 73 INCAPSULA, US
32531 90 6 60 FORDHAM-UNIVERSITY, 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 135 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 97 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 94 677 77 ASGARR Consortium GARR, IT
553 73 449 73 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 158 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 53 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 375 319 72 TENET-1, ZA
36914 98 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327687 43 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 8 1 TERNET, TZ
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
23969 1968 314 16 TOT-NET TOT Public Company Limited, TH
7470 727 532 45 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 690 171 60 NCIC-TW New Century InfoComm Tech Co.,
131090 611 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 582 2157 461 SINET-AS Research Organization of Infor
38623 522 21 13 VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODI
4621 512 73 18 UNINET-AS-AP UNINET-, TH
45458 482 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 451 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 448 70 34 CAT-AP The Communication Authoity of Th
Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7470 727 682 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
9919 690 630 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090 611 602 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
38623 522 509 VIETTELCAMBODIA-AS-AP ISPIXP IN CAMBODIA WITH T
4621 512 494 UNINET-AS-AP UNINET-, TH
4750 451 437 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596 447 437 TBCOM-NET TBC, TW
45458 482 417 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 448 414 CAT-AP The Communication Authoity of Thailand,
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
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
56096 UNALLOCATED 27.100.7.0/24 45455 TH-2S1N-AP Two S One N Co Lt
141730 UNALLOCATED 103.161.0.0/24 55423 JASTEL-NETWORK-TH-IDC-AP Jas
138219 UNALLOCATED 103.207.69.0/24 23884 PROENNET-AS Proen Corp Publi
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
103.141.224.0/24 Origin: 136744 DPTL-AS-AP DREAM POWER TECHNOLOGY LIMITE
103.141.224.0/24 Transit: 138678 GTDC-AS-AP Grandbo Technology Developmen
103.161.0.0/24 Origin: 141730 UNASSIGNED
103.161.0.0/24 Transit: 55423 JASTEL-NETWORK-TH-IDC-AP JasTel Network,
103.204.12.0/24 Origin: 134952 UNASSIGNED
103.204.12.0/24 Transit: 7616 JINET-BKK-AS-AP Jasmine Internet Co, Ltd
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 /11:4 /12:12
/13:25 /14:45 /15:139 /16:2152 /17:611 /18:841
/19:1084 /20:1406 /21:1553 /22:3633 /23:2678 /24:20799
/25:2 /26:3 /27:3 /28:3 /29:12 /30:41
/31:32 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
132280 154 303 SYMPHONY-AP-TH Symphony Communication Thailand
4621 149 512 UNINET-AS-AP UNINET-, TH
8895 130 135 ISU Internet Services Unit ISU, SA
36914 87 98 KENET-AS, KE
133481 62 414 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 52 113 OCDE, US
131207 43 77 SINET-KH SINET, Cambodias specialist Internet a
133385 36 48 ATOMMYANMAR-AS-AP Atom Myanmar Limited, MM
32440 35 50 LONI, US
18632 34 65 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:489 2:1 5:16 6:4 8:4 9:1
12:1 13:38 14:94 16:1 23:16 24:4
27:197 31:7 35:6 36:109 37:34 38:16
39:5 40:2 41:139 42:19 43:223 44:5
45:180 46:5 47:6 49:544 50:5 52:3
58:305 59:30 60:58 61:385 62:13 63:39
64:62 65:10 66:57 67:45 68:8 69:23
70:2 71:1 72:39 74:54 76:41 77:9
78:3 79:11 80:17 81:29 82:6 83:37
84:11 85:42 86:6 87:7 89:10 90:1
91:48 92:2 93:4 94:4 95:2 96:69
97:2 98:2 101:110 102:16 103:1307 104:82
106:74 107:51 108:8 109:10 110:463 111:143
112:42 113:146 114:43 115:141 116:72 117:83
118:377 119:311 120:6 121:33 122:325 123:109
124:161 125:195 128:95 129:44 130:88 131:77
132:63 133:149 134:310 135:6 136:223 137:84
138:10 139:20 140:61 141:15 142:39 143:32
144:41 145:3 146:160 147:89 148:193 149:15
150:156 151:7 152:77 153:14 154:113 155:55
156:75 157:36 158:37 159:252 160:27 161:95
162:24 163:98 164:89 165:102 166:1 167:48
168:176 169:11 170:83 171:194 172:5 173:8
175:182 176:9 177:8 179:9 180:131 181:3
182:219 183:36 184:13 185:77 186:3 187:19
188:15 189:3 190:15 191:40 192:1405 193:311
194:157 195:50 196:162 197:3 198:535 199:293
200:218 201:35 202:1303 203:1605 204:376 205:145
206:203 207:186 208:76 209:145 210:556 211:32
212:171 213:7 214:8 216:88 217:13 218:152
219:11 220:53 221:36 222:8 223:98
End of report
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