[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Dec 2 20:25:47 UTC 2022
IPv4 R&E Routing Table Report 20:25 GMT Fri 02 Dec, 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: 35064
Prefixes after maximum aggregation (per Origin AS): 14392
Deaggregation factor: 2.44
Unique aggregates announced (without unneeded subnets): 16306
Number of IPv4 prefixes with a valid ROA: 14435
Number of IPv4 prefixes with an invalid ROA: 299
Number of IPv4 prefixes with no ROA: 20330
Total ASes present in the Internet Routing Table: 3549
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 3027
Origin ASes announcing only one prefix: 1265
Transit ASes present in the Internet Routing Table: 522
Transit-only ASes present in the Internet Routing Table: 88
Paths with bogon ASNs present in the IPv4 Routing Table: 7
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: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 40756
Number of 32-bit ASNs visible in the Routing Table: 1068
Prefixes from 32-bit ASNs in the Routing Table: 6408
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: 9
Number of addresses announced to Internet: 238892544
Equivalent to 14 /8s, 61 /16s and 54 /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: 2780
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 20587
Total APNIC prefixes after maximum aggregation: 5672
APNIC Deaggregation factor: 3.63
Prefixes being announced from the APNIC address blocks: 20383
Unique aggregates announced from the APNIC address blocks: 6499
APNIC Region origin ASes present in the Internet Routing Table: 1285
APNIC Prefixes per ASN: 15.86
APNIC Region origin ASes announcing only one prefix: 422
APNIC Region transit ASes present in the Internet Routing Table: 190
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: 649
Number of APNIC addresses announced to Internet: 62449920
Equivalent to 3 /8s, 184 /16s and 233 /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: 8535
Total ARIN prefixes after maximum aggregation: 5055
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 8634
Unique aggregates announced from the ARIN address blocks: 5727
ARIN Region origin ASes present in the Internet Routing Table: 1284
ARIN Prefixes per ASN: 6.72
ARIN Region origin ASes announcing only one prefix: 457
ARIN Region transit ASes present in the Internet Routing Table: 170
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: 185
Number of ARIN addresses announced to Internet: 109722112
Equivalent to 6 /8s, 138 /16s and 58 /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: 3729
Total RIPE prefixes after maximum aggregation: 2933
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3715
Unique aggregates announced from the RIPE address blocks: 2986
RIPE Region origin ASes present in the Internet Routing Table: 701
RIPE Prefixes per ASN: 5.30
RIPE Region origin ASes announcing only one prefix: 308
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 6.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 151
Number of RIPE addresses announced to Internet: 59486464
Equivalent to 3 /8s, 139 /16s and 177 /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: 1226
Total LACNIC prefixes after maximum aggregation: 501
LACNIC Deaggregation factor: 2.45
Prefixes being announced from the LACNIC address blocks: 1228
Unique aggregates announced from the LACNIC address blocks: 716
LACNIC Region origin ASes present in the Internet Routing Table: 131
LACNIC Prefixes per ASN: 9.37
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 20
Average LACNIC Region AS path length visible: 8.6
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 57
Number of LACNIC addresses announced to Internet: 4536576
Equivalent to 0 /8s, 69 /16s and 57 /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: 972
Total AfriNIC prefixes after maximum aggregation: 217
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 1095
Unique aggregates announced from the AfriNIC address blocks: 369
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 22.35
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 2694400
Equivalent to 0 /8s, 41 /16s and 29 /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 724 532 44 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 683 171 57 NCIC-TW New Century InfoComm Tech Co.,
131090 622 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 569 2156 456 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 481 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 444 70 34 CAT-AP The Communication Authoity of Th
131596 439 83 9 TBCOM-NET TBC, TW
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 204 507 92 CSUNET-NW, US
376 203 178 152 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
23024 113 7 17 OCDE, US
8075 109 4108 105 MICROSOFT-CORP-MSN-AS-BLOCK, US
2920 108 34 7 LACOE, US
19551 103 6 74 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 1935 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 101 1520 87 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 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 96 24 54 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
61468 42 3 15 CEDIA, EC
28571 40 40 18 UNIVERSIDADE DE SAO PAULO, BR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
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 247 82 3 KENET-AS, KE
2561 68 4 33 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 41 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 20 1 16 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 724 532 44 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
9919 683 171 57 NCIC-TW New Century InfoComm Tech Co.,
131090 622 54 8 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
2907 569 2156 456 SINET-AS Research Organization of Infor
4621 515 73 18 UNINET-AS-AP UNINET-, TH
45458 481 35 65 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
4750 448 94 14 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
9931 444 70 34 CAT-AP The Communication Authoity of Th
131596 439 83 9 TBCOM-NET TBC, TW
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 724 680 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
9919 683 626 NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090 622 614 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 515 497 UNINET-AS-AP UNINET-, TH
4750 448 434 CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
131596 439 430 TBCOM-NET TBC, TW
45458 481 416 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 444 410 CAT-AP The Communication Authoity of Thailand,
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
133481 414 384 AIS-FIBRE-AS-AP AIS Fibre, TH
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
135546 UNALLOCATED 45.254.232.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 45.254.233.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 45.254.234.0/24 133748 CORETELNET-AS-AP CORETEL NET
135546 UNALLOCATED 103.64.139.0/24 133748 CORETELNET-AS-AP CORETEL NET
138004 UNALLOCATED 103.117.84.0/22 38794 UIH-BBB-AS-AP UIH, TH
141730 UNALLOCATED 103.161.0.0/24 55423 JASTEL-NETWORK-TH-IDC-AP Jas
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
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
45.254.232.0/24 Origin: 135546 UNASSIGNED
45.254.232.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24 Origin: 135546 UNASSIGNED
45.254.233.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24 Origin: 135546 UNASSIGNED
45.254.234.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24 Origin: 135546 UNASSIGNED
103.64.139.0/24 Transit: 133748 CORETELNET-AS-AP CORETEL NETWORKS INTERN
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 /16:2167 /17:617 /18:845
/19:1085 /20:1374 /21:1605 /22:3633 /23:2634 /24:20715
/25:2 /26:3 /27:3 /28:3 /29:12 /30:41
/31:32 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 234 247 KENET-AS, KE
132280 153 302 SYMPHONY-AP-TH Symphony Communication Thailand
4621 150 515 UNINET-AS-AP UNINET-, TH
8895 130 135 ISU Internet Services Unit ISU, SA
133481 62 414 AIS-FIBRE-AS-AP AIS Fibre, TH
23024 52 113 OCDE, US
131207 43 76 SINET-KH SINET, Cambodias specialist Internet a
18632 34 65 VOLCANO-VISION, US
32440 34 49 LONI, US
19551 33 103 INCAPSULA, US
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:491 5:16 6:4 8:4 9:1 12:1
13:38 14:99 16:1 18:43 23:15 24:4
27:196 31:7 35:4 36:10 37:30 38:22
39:5 40:2 41:132 42:19 43:233 44:5
45:183 46:5 47:6 49:522 50:5 52:3
58:305 59:29 60:56 61:382 62:12 63:39
64:59 65:10 66:59 67:45 68:8 69:23
70:2 71:1 72:39 74:53 76:38 77:9
78:3 79:11 80:17 81:28 82:8 83:35
84:8 85:41 86:6 87:7 88:1 89:10
90:1 91:49 92:1 93:4 94:4 95:4
96:69 97:3 98:2 101:111 102:14 103:1333
104:77 106:75 107:52 108:8 109:9 110:469
111:124 112:45 113:146 114:44 115:141 116:74
117:79 118:378 119:301 120:6 121:33 122:317
123:104 124:159 125:201 128:94 129:46 130:89
131:78 132:58 133:146 134:309 136:220 137:81
138:10 139:19 140:64 141:15 142:39 143:33
144:41 145:3 146:156 147:86 148:193 149:15
150:156 151:7 152:76 153:14 154:123 155:52
156:78 157:30 158:40 159:258 160:27 161:94
162:23 163:96 164:89 165:87 166:3 167:54
168:156 169:10 170:34 171:193 172:6 173:8
175:102 176:10 177:10 179:9 180:130 181:5
182:232 183:36 184:14 185:77 186:3 187:19
188:15 189:3 190:17 191:39 192:1401 193:323
194:156 195:96 196:162 197:150 198:527 199:293
200:189 201:39 202:1307 203:1608 204:374 205:142
206:205 207:185 208:78 209:144 210:555 211:28
212:169 213:7 214:8 216:86 217:13 218:151
219:12 220:52 221:36 222:7 223:95
End of report
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