[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Sep 28 20:25:41 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Thu 28 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: 22365
Prefixes after maximum aggregation (per Origin AS): 11089
Deaggregation factor: 2.02
Unique aggregates announced (without unneeded subnets): 12349
Number of IPv4 prefixes with a valid ROA: 8044
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 14132
Total ASes present in the Internet Routing Table: 2907
Prefixes per ASN: 7.69
Origin-only ASes present in the Internet Routing Table: 2501
Origin ASes announcing only one prefix: 1114
Transit ASes present in the Internet Routing Table: 406
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 5
Average AS path length visible in the Internet Routing Table: 6.6
Max AS path length visible: 18
Max AS path prepend of ASN ( 10497) 11
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: 42705
Number of 32-bit ASNs visible in the Routing Table: 743
Prefixes from 32-bit ASNs in the Routing Table: 3282
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: 194594112
Equivalent to 11 /8s, 153 /16s and 69 /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: 99.5
Total number of prefixes smaller than registry allocations: 2147
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8051
Total APNIC prefixes after maximum aggregation: 2782
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 8001
Unique aggregates announced from the APNIC address blocks: 3258
APNIC Region origin ASes present in the Internet Routing Table: 672
APNIC Prefixes per ASN: 11.91
APNIC Region origin ASes announcing only one prefix: 279
APNIC Region transit ASes present in the Internet Routing Table: 86
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 308
Number of APNIC addresses announced to Internet: 36360512
Equivalent to 2 /8s, 42 /16s and 209 /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: 8156
Total ARIN prefixes after maximum aggregation: 4706
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8168
Unique aggregates announced from the ARIN address blocks: 5179
ARIN Region origin ASes present in the Internet Routing Table: 1254
ARIN Prefixes per ASN: 6.51
ARIN Region origin ASes announcing only one prefix: 444
ARIN Region transit ASes present in the Internet Routing Table: 160
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 195
Number of ARIN addresses announced to Internet: 93362176
Equivalent to 5 /8s, 144 /16s and 152 /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: 3645
Total RIPE prefixes after maximum aggregation: 2863
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3676
Unique aggregates announced from the RIPE address blocks: 2906
RIPE Region origin ASes present in the Internet Routing Table: 693
RIPE Prefixes per ASN: 5.30
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 7.1
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: 57952512
Equivalent to 3 /8s, 116 /16s and 73 /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: 1449
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.55
Prefixes being announced from the LACNIC address blocks: 1447
Unique aggregates announced from the LACNIC address blocks: 777
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.72
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 8.8
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4168960
Equivalent to 0 /8s, 63 /16s and 157 /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: 1060
Total AfriNIC prefixes after maximum aggregation: 166
AfriNIC Deaggregation factor: 6.39
Prefixes being announced from the AfriNIC address blocks: 1070
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 23.26
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 8
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: 2683904
Equivalent to 0 /8s, 40 /16s and 244 /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
131090 586 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 491 39 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 70 33 CAT-AP The Communication Authoity of Th
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
131293 274 23 65 TOT-LLI-AS-AP TOT Public Company Limite
4765 208 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 192 74 141 KREONET-AS-KR KISTI, KR
7575 175 329 119 AARNET-AS-AP Australian Academic and Re
23884 157 10 25 PROENNET-AS Proen Corp Public Company L
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 367 507 93 CSUNET-NW, US
376 202 178 151 RISQ-AS, CA
668 202 635 171 DNIC-AS-00668, US
5786 197 16 1 UPRENET, PR
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 113 7 17 OCDE, US
2920 101 34 7 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 135 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 63 598 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 213 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 100 24 44 Red Universitaria Nacional, CL
271640 72 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 39 Fundacao Carlos Chagas Filho de Amparo
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
4270 47 16 1 Red de Interconexion Universitaria, AR
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 382 319 71 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 44 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
131090 586 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
45458 491 39 45 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 70 33 CAT-AP The Communication Authoity of Th
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
2152 367 507 93 CSUNET-NW, US
680 285 1903 249 DFN Verein zur Foerderung eines Deutsch
131293 274 23 65 TOT-LLI-AS-AP TOT Public Company Limite
36914 256 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 586 577 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
45458 491 446 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 470 437 CAT-AP The Communication Authoity of Thailand,
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
2152 367 274 CSUNET-NW, US
36914 256 253 KENET-AS, KE
131293 274 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
1916 213 171 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
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 /15:122 /16:1823 /17:429 /18:525
/19:603 /20:974 /21:903 /22:1800 /23:1789 /24:13326
/25:1 /26:2 /27:3 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 245 256 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 38 63 LONI, US
327700 38 44 MoRENet, MZ
2152 37 367 CSUNET-NW, US
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
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 18:1 23:8 24:1 27:52 31:7
35:2 38:9 40:1 41:116 42:10 43:12
44:6 45:65 46:5 47:4 49:337 50:4
52:1 58:86 59:10 60:5 61:290 62:13
63:37 64:57 65:1 66:52 67:43 68:9
69:18 70:2 71:1 72:7 74:46 76:42
77:9 78:3 79:10 80:12 81:26 82:7
83:7 84:11 85:29 86:10 87:1 89:10
90:1 91:48 92:2 93:4 94:4 95:2
96:5 97:2 98:2 101:16 102:28 103:393
104:76 107:3 108:13 109:8 110:366 111:40
112:27 113:39 114:23 115:12 116:52 117:61
118:100 119:195 121:16 122:216 123:9 124:45
125:13 128:91 129:49 130:90 131:69 132:60
133:9 134:306 136:197 137:129 138:10 139:9
140:38 141:5 142:38 143:24 144:32 145:3
146:127 147:62 148:199 149:13 150:45 151:12
152:146 153:14 154:35 155:63 156:67 157:24
158:34 159:240 160:4 161:24 162:26 163:93
164:65 165:46 166:1 167:16 168:122 169:8
170:73 171:140 172:4 173:7 174:1 175:18
176:8 177:6 179:12 180:72 181:1 182:18
183:8 184:19 185:65 186:3 187:17 188:14
189:3 190:19 191:13 192:1324 193:301 194:138
195:91 196:201 197:168 198:541 199:278 200:329
201:38 202:582 203:758 204:372 205:143 206:198
207:222 208:72 209:165 210:247 211:16 212:168
213:5 214:8 216:83 217:10 218:23 220:16
221:36 222:2 223:59
End of report
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