[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Aug 16 20:25:41 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Wed 16 Aug, 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: 22958
Prefixes after maximum aggregation (per Origin AS): 11229
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 12516
Number of IPv4 prefixes with a valid ROA: 8093
Number of IPv4 prefixes with an invalid ROA: 160
Number of IPv4 prefixes with no ROA: 14705
Total ASes present in the Internet Routing Table: 2945
Prefixes per ASN: 7.80
Origin-only ASes present in the Internet Routing Table: 2530
Origin ASes announcing only one prefix: 1124
Transit ASes present in the Internet Routing Table: 415
Transit-only ASes present in the Internet Routing Table: 79
Paths with bogon ASNs present in the IPv4 Routing Table: 8
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: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 42432
Number of 32-bit ASNs visible in the Routing Table: 762
Prefixes from 32-bit ASNs in the Routing Table: 3386
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: 2
Number of addresses announced to Internet: 195067072
Equivalent to 11 /8s, 160 /16s and 124 /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: 2290
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8696
Total APNIC prefixes after maximum aggregation: 2907
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 8585
Unique aggregates announced from the APNIC address blocks: 3324
APNIC Region origin ASes present in the Internet Routing Table: 697
APNIC Prefixes per ASN: 12.32
APNIC Region origin ASes announcing only one prefix: 284
APNIC Region transit ASes present in the Internet Routing Table: 88
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 326
Number of APNIC addresses announced to Internet: 36721600
Equivalent to 2 /8s, 48 /16s and 83 /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: 8107
Total ARIN prefixes after maximum aggregation: 4699
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8173
Unique aggregates announced from the ARIN address blocks: 5236
ARIN Region origin ASes present in the Internet Routing Table: 1258
ARIN Prefixes per ASN: 6.50
ARIN Region origin ASes announcing only one prefix: 445
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 194
Number of ARIN addresses announced to Internet: 93447424
Equivalent to 5 /8s, 145 /16s and 229 /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: 2873
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3681
Unique aggregates announced from the RIPE address blocks: 2938
RIPE Region origin ASes present in the Internet Routing Table: 690
RIPE Prefixes per ASN: 5.33
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 109
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: 147
Number of RIPE addresses announced to Internet: 57933568
Equivalent to 3 /8s, 115 /16s and 255 /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: 1462
Total LACNIC prefixes after maximum aggregation: 571
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1462
Unique aggregates announced from the LACNIC address blocks: 783
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.86
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 26
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: 68
Number of LACNIC addresses announced to Internet: 4234752
Equivalent to 0 /8s, 64 /16s and 158 /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: 1047
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 6.09
Prefixes being announced from the AfriNIC address blocks: 1055
Unique aggregates announced from the AfriNIC address blocks: 233
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.69
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 9
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: 27
Number of AfriNIC addresses announced to Internet: 2729216
Equivalent to 0 /8s, 41 /16s and 165 /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 683 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 589 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 506 73 18 UNINET-AS-AP UNINET-, TH
45458 488 38 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 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 191 74 139 KREONET-AS-KR KISTI, KR
7575 177 329 120 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 316 507 94 CSUNET-NW, US
668 203 652 172 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
23024 113 7 17 OCDE, US
2920 107 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 132 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 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 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
271640 73 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 49 16 1 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
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 370 319 71 TENET-1, ZA
36914 249 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 39 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 683 363 73 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 589 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 506 73 18 UNINET-AS-AP UNINET-, TH
45458 488 38 44 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 470 70 33 CAT-AP The Communication Authoity of Th
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 370 319 71 TENET-1, ZA
2152 316 507 94 CSUNET-NW, US
680 285 1903 249 DFN Verein zur Foerderung eines Deutsch
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
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 589 580 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 506 488 UNINET-AS-AP UNINET-, TH
45458 488 444 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 470 437 CAT-AP The Communication Authoity of Thailand,
7497 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 370 299 TENET-1, ZA
36914 249 246 KENET-AS, KE
2152 316 222 CSUNET-NW, US
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 197 196 UPRENET, PR
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
65200 PRIVATE 119.63.67.0/24 65128 -Private Use AS-, ZZ
65200 PRIVATE 119.63.69.0/24 65128 -Private Use AS-, ZZ
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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
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 /15:123 /16:1826 /17:431 /18:527
/19:610 /20:970 /21:901 /22:1798 /23:1769 /24:13786
/25:2 /26:3 /27:3 /28:3 /29:12 /30:39
/31:31 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 237 249 KENET-AS, KE
4621 146 506 UNINET-AS-AP UNINET-, TH
8895 127 132 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 33 39 MoRENet, MZ
2152 32 316 CSUNET-NW, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
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 23:24 24:1 27:56 31:7
35:2 38:9 40:1 41:114 42:9 43:58
44:6 45:65 46:5 47:4 49:339 50:3
52:1 58:94 59:10 60:4 61:290 62:12
63:37 64:57 65:4 66:51 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 85:42 86:10 87:1 89:10
90:1 91:47 92:2 93:4 94:4 95:14
96:5 97:2 98:2 101:16 102:33 103:404
104:80 106:66 107:7 108:10 109:8 110:369
111:40 112:27 113:41 114:26 115:8 116:53
117:61 118:101 119:197 121:16 122:218 124:44
125:12 128:91 129:48 130:89 131:67 132:60
133:11 134:306 136:197 137:132 138:12 139:11
140:38 141:7 142:38 143:23 144:31 145:3
146:131 147:70 148:199 149:13 150:44 151:11
152:137 153:14 154:62 155:63 156:67 157:23
158:37 159:241 160:3 161:25 162:26 163:92
164:63 165:47 166:1 167:18 168:123 169:8
170:79 171:140 172:4 173:6 174:1 175:19
176:8 177:5 179:12 180:71 181:1 182:19
183:9 184:13 185:60 186:3 187:17 188:14
189:3 190:19 191:13 192:1301 193:301 194:136
195:87 196:203 197:158 198:541 199:285 200:337
201:38 202:677 203:950 204:368 205:142 206:196
207:212 208:68 209:161 210:246 211:17 212:166
213:5 214:8 216:86 217:11 218:23 220:16
221:36 222:2 223:59
End of report
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