[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jun 24 20:25:45 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Sat 24 Jun, 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: 22969
Prefixes after maximum aggregation (per Origin AS): 11136
Deaggregation factor: 2.06
Unique aggregates announced (without unneeded subnets): 12387
Number of IPv4 prefixes with a valid ROA: 7810
Number of IPv4 prefixes with an invalid ROA: 198
Number of IPv4 prefixes with no ROA: 14961
Total ASes present in the Internet Routing Table: 2921
Prefixes per ASN: 7.86
Origin-only ASes present in the Internet Routing Table: 2510
Origin ASes announcing only one prefix: 1113
Transit ASes present in the Internet Routing Table: 411
Transit-only ASes present in the Internet Routing Table: 79
Paths with bogon ASNs present in the IPv4 Routing Table: 7
Average AS path length visible in the Internet Routing Table: 6.5
Max AS path length visible: 19
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: 42149
Number of 32-bit ASNs visible in the Routing Table: 737
Prefixes from 32-bit ASNs in the Routing Table: 3320
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: 5
Number of addresses announced to Internet: 195066496
Equivalent to 11 /8s, 160 /16s and 122 /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: 2339
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8700
Total APNIC prefixes after maximum aggregation: 2820
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 8618
Unique aggregates announced from the APNIC address blocks: 3219
APNIC Region origin ASes present in the Internet Routing Table: 685
APNIC Prefixes per ASN: 12.58
APNIC Region origin ASes announcing only one prefix: 279
APNIC Region transit ASes present in the Internet Routing Table: 85
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 313
Number of APNIC addresses announced to Internet: 36800640
Equivalent to 2 /8s, 49 /16s and 136 /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: 8067
Total ARIN prefixes after maximum aggregation: 4690
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8122
Unique aggregates announced from the ARIN address blocks: 5219
ARIN Region origin ASes present in the Internet Routing Table: 1251
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 444
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 8.0
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 187
Number of ARIN addresses announced to Internet: 93439744
Equivalent to 5 /8s, 145 /16s and 199 /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: 3639
Total RIPE prefixes after maximum aggregation: 2877
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3665
Unique aggregates announced from the RIPE address blocks: 2926
RIPE Region origin ASes present in the Internet Routing Table: 689
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 110
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: 57928704
Equivalent to 3 /8s, 115 /16s and 236 /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: 1457
Total LACNIC prefixes after maximum aggregation: 565
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1456
Unique aggregates announced from the LACNIC address blocks: 784
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 9.22
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 63
Number of LACNIC addresses announced to Internet: 4219648
Equivalent to 0 /8s, 64 /16s and 99 /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: 1096
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.30
Prefixes being announced from the AfriNIC address blocks: 1103
Unique aggregates announced from the AfriNIC address blocks: 234
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 21.21
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 7.3
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2672384
Equivalent to 0 /8s, 40 /16s and 199 /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 688 394 72 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 590 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 507 73 18 UNINET-AS-AP UNINET-, TH
45458 488 37 42 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 465 70 33 CAT-AP The Communication Authoity of Th
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
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
7575 176 329 120 AARNET-AS-AP Australian Academic and Re
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 255 507 94 CSUNET-NW, US
668 217 636 180 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 112 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 85 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
680 286 1919 250 DFN Verein zur Foerderung eines Deutsch
786 189 1767 183 JANET Jisc Services Limited, GB
8895 133 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 220 192 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 55 37 19 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
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 380 319 72 TENET-1, ZA
36914 257 82 3 KENET-AS, KE
327687 164 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 42 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 688 394 72 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 590 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 507 73 18 UNINET-AS-AP UNINET-, TH
45458 488 37 42 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 465 70 33 CAT-AP The Communication Authoity of Th
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 72 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
36914 257 82 3 KENET-AS, KE
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 590 581 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 507 489 UNINET-AS-AP UNINET-, TH
45458 488 446 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 465 432 CAT-AP The Communication Authoity of Thailand,
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 380 308 TENET-1, ZA
36914 257 254 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 198 197 UPRENET, PR
1916 220 178 Rede Nacional de Ensino e Pesquisa, BR
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
138933 UNALLOCATED 103.137.86.0/24 24490 TEIN2-SG-AP Trans-Eurasia In
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 202.52.4.0/22 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
103.137.86.0/24 Origin: 138933 UNASSIGNED
103.137.86.0/24 Transit: 24490 TEIN2-SG-AP Trans-Eurasia Information Ne
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 /14:33 /15:123 /16:1822 /17:429 /18:539
/19:619 /20:975 /21:912 /22:1792 /23:1771 /24:13773
/25:2 /26:2 /27:2 /28:3 /29:11 /30:39
/31:31 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 245 257 KENET-AS, KE
4621 145 507 UNINET-AS-AP UNINET-, TH
8895 128 133 ISU Internet Services Unit ISU, SA
23024 52 112 OCDE, US
32440 37 59 LONI, US
327700 36 42 MoRENet, MZ
18632 34 65 VOLCANO-VISION, US
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
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)
----------------------------------------------
1:134 2:1 5:15 6:4 8:4 12:1
14:92 18:1 23:8 24:1 27:61 31:7
35:2 38:9 40:1 41:146 42:9 43:85
44:6 45:62 46:5 47:4 49:337 50:3
52:1 58:92 59:10 60:4 61:288 62:13
63:37 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 85:41 86:10 87:1 89:10
90:1 91:46 92:2 93:4 94:4 95:2
97:2 98:2 101:16 102:31 103:370 104:79
106:67 107:20 108:10 109:8 110:366 111:40
112:26 113:40 114:26 115:9 116:52 117:61
118:101 119:196 121:17 122:216 123:8 124:43
125:11 128:91 129:46 130:88 131:65 132:64
133:10 134:305 136:199 137:131 138:11 139:12
140:52 141:5 142:39 143:23 144:25 145:3
146:132 147:62 148:199 149:13 150:41 151:11
152:144 153:14 154:61 155:65 156:67 157:25
158:36 159:242 160:1 161:21 162:27 163:89
164:86 165:52 166:1 167:18 168:122 169:8
170:82 171:140 172:4 173:7 174:1 175:19
176:8 177:4 179:12 180:71 181:1 182:18
183:9 184:13 185:57 186:3 187:17 188:14
189:3 190:18 191:36 192:1304 193:301 194:139
195:88 196:201 197:163 198:530 199:286 200:300
201:38 202:703 203:953 204:363 205:142 206:193
207:189 208:74 209:158 210:246 211:5 212:167
213:5 214:8 216:87 217:10 218:23 220:17
221:36 222:4 223:49
End of report
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