[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Aug 23 20:25:47 UTC 2022
IPv4 R&E Routing Table Report 20:25 GMT Tue 23 Aug, 2022
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: 34891
Prefixes after maximum aggregation (per Origin AS): 14457
Deaggregation factor: 2.41
Unique aggregates announced (without unneeded subnets): 16346
Number of IPv4 prefixes with a valid ROA: 13927
Number of IPv4 prefixes with an invalid ROA: 244
Number of IPv4 prefixes with no ROA: 20720
Total ASes present in the Internet Routing Table: 3578
Prefixes per ASN: 9.75
Origin-only ASes present in the Internet Routing Table: 3054
Origin ASes announcing only one prefix: 1273
Transit ASes present in the Internet Routing Table: 524
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: 6.3
Max AS path length visible: 19
Max AS path prepend of ASN (133385) 11
Prefixes from unregistered ASNs in the Routing Table: 12
Number of instances of unregistered ASNs: 12
Number of 32-bit ASNs allocated by the RIRs: 40033
Number of 32-bit ASNs visible in the Routing Table: 1081
Prefixes from 32-bit ASNs in the Routing Table: 6261
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 239037696
Equivalent to 14 /8s, 63 /16s and 109 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 2743
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20355
Total APNIC prefixes after maximum aggregation: 5661
APNIC Deaggregation factor: 3.60
Prefixes being announced from the APNIC address blocks: 20240
Unique aggregates announced from the APNIC address blocks: 6549
APNIC Region origin ASes present in the Internet Routing Table: 1301
APNIC Prefixes per ASN: 15.56
APNIC Region origin ASes announcing only one prefix: 414
APNIC Region transit ASes present in the Internet Routing Table: 199
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 659
Number of APNIC addresses announced to Internet: 62475008
Equivalent to 3 /8s, 185 /16s and 75 /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: 8497
Total ARIN prefixes after maximum aggregation: 5064
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 8551
Unique aggregates announced from the ARIN address blocks: 5694
ARIN Region origin ASes present in the Internet Routing Table: 1283
ARIN Prefixes per ASN: 6.66
ARIN Region origin ASes announcing only one prefix: 455
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: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 183
Number of ARIN addresses announced to Internet: 109544704
Equivalent to 6 /8s, 135 /16s and 133 /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: 3656
Total RIPE prefixes after maximum aggregation: 2930
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3677
Unique aggregates announced from the RIPE address blocks: 2959
RIPE Region origin ASes present in the Internet Routing Table: 701
RIPE Prefixes per ASN: 5.25
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 7.0
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 146
Number of RIPE addresses announced to Internet: 59632128
Equivalent to 3 /8s, 141 /16s and 234 /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: 1422
Total LACNIC prefixes after maximum aggregation: 577
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1426
Unique aggregates announced from the LACNIC address blocks: 794
LACNIC Region origin ASes present in the Internet Routing Table: 161
LACNIC Prefixes per ASN: 8.86
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 24
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: 67
Number of LACNIC addresses announced to Internet: 4743168
Equivalent to 0 /8s, 72 /16s and 96 /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: 949
Total AfriNIC prefixes after maximum aggregation: 213
AfriNIC Deaggregation factor: 4.46
Prefixes being announced from the AfriNIC address blocks: 992
Unique aggregates announced from the AfriNIC address blocks: 345
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 20.24
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 11
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: 26
Number of AfriNIC addresses announced to Internet: 2641408
Equivalent to 0 /8s, 40 /16s and 78 /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 1976 314 16 TOT-NET TOT Public Company Limited, TH
7470 716 528 43 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 678 170 55 NCIC-TW New Century InfoComm Tech Co.,
131090 635 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 565 2156 454 SINET-AS Research Organization of Infor
4621 525 73 18 UNINET-AS-AP UNINET-, TH
45458 480 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
133481 424 73 33 AIS-FIBRE-AS-AP AIS Fibre, 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
668 205 652 173 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 155 507 92 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
8075 109 4108 105 MICROSOFT-CORP-MSN-AS-BLOCK, US
2920 108 34 7 LACOE, US
19551 104 7 75 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
680 284 1951 250 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 139 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 86 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
2200 62 598 58 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
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 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 2 2 Fundacao Universidade Regional de Blume
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 376 319 73 TENET-1, ZA
36914 232 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 1 13 TERNET, TZ
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
23969 1976 314 16 TOT-NET TOT Public Company Limited, TH
7470 716 528 43 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 678 170 55 NCIC-TW New Century InfoComm Tech Co.,
131090 635 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 565 2156 454 SINET-AS Research Organization of Infor
4621 525 73 18 UNINET-AS-AP UNINET-, TH
45458 480 33 64 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
133481 424 73 33 AIS-FIBRE-AS-AP AIS Fibre, 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 716 673 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
131090 635 627 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
9919 678 623 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
4621 525 507 UNINET-AS-AP UNINET-, TH
4750 448 434 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
45458 480 416 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
7497 433 409 CSTNET-AS-AP Computer Network Information Cente
131596 402 392 TBCOM-NET TBC, TW
133481 424 391 AIS-FIBRE-AS-AP AIS Fibre, TH
9931 421 386 CAT-AP The Communication Authoity of 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
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
134952 UNALLOCATED 103.204.12.0/24 7616 JINET-BKK-AS-AP Jasmine Inte
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, 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
64740 PRIVATE 203.156.106.0/24 24378 ENGTAC-AS-TH-AP Total Access
Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/AIT/data-spar
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
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
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
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 /15:144 /16:2170 /17:601 /18:847
/19:1090 /20:1379 /21:1621 /22:3577 /23:2581 /24:20635
/25:2 /26:2 /27:2 /28:3 /29:11 /30:43
/31:33 /32:61
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 219 232 KENET-AS, KE
132280 153 309 SYMPHONY-AP-TH Symphony Communication Thailand
4621 152 525 UNINET-AS-AP UNINET-, TH
8895 134 139 ISU Internet Services Unit ISU, SA
133481 71 424 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 53 114 OCDE, US
18632 34 63 VOLCANO-VISION, US
19551 33 104 INCAPSULA, US
32440 32 47 LONI, US
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)
----------------------------------------------
1:497 5:22 6:4 8:4 9:1 12:1
13:39 14:102 16:1 18:43 23:17 24:4
27:205 31:7 35:4 36:13 37:29 38:17
39:5 40:2 41:130 42:16 43:192 44:5
45:170 46:5 47:6 49:519 50:5 52:3
58:303 59:34 60:48 61:376 62:12 63:39
64:61 65:10 66:46 67:46 68:8 69:21
70:2 71:1 72:39 74:53 76:37 77:7
78:3 79:11 80:18 81:27 82:6 83:31
84:8 85:43 86:6 87:1 88:1 89:10
90:1 91:48 92:1 93:4 94:4 95:4
96:71 97:1 98:2 101:114 102:18 103:1363
104:80 106:75 107:52 108:10 109:10 110:463
111:124 112:48 113:146 114:42 115:140 116:71
117:80 118:376 119:297 120:13 121:31 122:293
123:103 124:165 125:201 128:95 129:45 130:91
131:91 132:59 133:145 134:311 135:1 136:222
137:78 138:13 139:20 140:54 141:15 142:39
143:32 144:41 145:2 146:158 147:83 148:193
149:15 150:157 151:6 152:76 153:13 154:62
155:51 156:71 157:34 158:42 159:265 160:29
161:100 162:25 163:94 164:89 165:91 166:1
167:68 168:173 169:10 170:74 171:189 172:5
173:8 175:83 176:9 177:11 178:1 179:10
180:131 181:2 182:235 183:40 184:15 185:73
186:3 187:19 188:15 189:3 190:34 191:37
192:1387 193:318 194:154 195:97 196:161 197:137
198:513 199:290 200:222 201:38 202:1337 203:1592
204:368 205:135 206:204 207:177 208:82 209:128
210:552 211:29 212:175 213:7 214:8 216:86
217:13 218:150 219:12 220:53 221:38 222:7
223:81
End of report
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