[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Apr 17 20:25:42 UTC 2023
IPv4 R&E Routing Table Report 20:25 GMT Mon 17 Apr, 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: 23008
Prefixes after maximum aggregation (per Origin AS): 11215
Deaggregation factor: 2.05
Unique aggregates announced (without unneeded subnets): 12542
Number of IPv4 prefixes with a valid ROA: 7623
Number of IPv4 prefixes with an invalid ROA: 203
Number of IPv4 prefixes with no ROA: 15182
Total ASes present in the Internet Routing Table: 2950
Prefixes per ASN: 7.80
Origin-only ASes present in the Internet Routing Table: 2535
Origin ASes announcing only one prefix: 1132
Transit ASes present in the Internet Routing Table: 415
Transit-only ASes present in the Internet Routing Table: 77
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 6.5
Max AS path length visible: 23
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 41678
Number of 32-bit ASNs visible in the Routing Table: 769
Prefixes from 32-bit ASNs in the Routing Table: 3297
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: 195196608
Equivalent to 11 /8s, 162 /16s and 118 /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: 2254
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 8786
Total APNIC prefixes after maximum aggregation: 2860
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 8729
Unique aggregates announced from the APNIC address blocks: 3311
APNIC Region origin ASes present in the Internet Routing Table: 720
APNIC Prefixes per ASN: 12.12
APNIC Region origin ASes announcing only one prefix: 295
APNIC Region transit ASes present in the Internet Routing Table: 94
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: 338
Number of APNIC addresses announced to Internet: 36945088
Equivalent to 2 /8s, 51 /16s and 188 /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: 8216
Total ARIN prefixes after maximum aggregation: 4759
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8255
Unique aggregates announced from the ARIN address blocks: 5330
ARIN Region origin ASes present in the Internet Routing Table: 1265
ARIN Prefixes per ASN: 6.53
ARIN Region origin ASes announcing only one prefix: 453
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 8.1
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 194
Number of ARIN addresses announced to Internet: 93733632
Equivalent to 5 /8s, 150 /16s and 67 /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: 3566
Total RIPE prefixes after maximum aggregation: 2837
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3588
Unique aggregates announced from the RIPE address blocks: 2868
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.33
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 57854976
Equivalent to 3 /8s, 114 /16s and 204 /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: 1477
Total LACNIC prefixes after maximum aggregation: 572
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1474
Unique aggregates announced from the LACNIC address blocks: 792
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.45
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 8.9
Max LACNIC Region AS path length visible: 16
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 3985152
Equivalent to 0 /8s, 60 /16s and 207 /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: 955
Total AfriNIC prefixes after maximum aggregation: 179
AfriNIC Deaggregation factor: 5.34
Prefixes being announced from the AfriNIC address blocks: 960
Unique aggregates announced from the AfriNIC address blocks: 239
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 7.4
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: 2676992
Equivalent to 0 /8s, 40 /16s and 217 /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 674 389 60 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 598 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 509 73 18 UNINET-AS-AP UNINET-, TH
45458 484 37 42 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 462 70 34 CAT-AP The Communication Authoity of Th
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
4765 207 13 95 PACIFICINTERNET-AS-AP Pacific Internet
1237 189 74 139 KREONET-AS-KR KISTI, KR
7575 174 329 119 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 243 507 94 CSUNET-NW, US
668 216 636 179 DNIC-AS-00668, US
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
18558 139 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 188 1775 183 JANET Jisc Services Limited, GB
8895 132 24 2 ISU Internet Services Unit ISU, SA
559 112 533 104 SWITCH Peering requests: peering at switch
1103 96 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 74 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 220 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
1251 60 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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 379 319 72 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
327687 62 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 33 16 1 MoRENet, MZ
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
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 674 389 60 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090 598 55 9 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
4621 509 73 18 UNINET-AS-AP UNINET-, TH
45458 484 37 42 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
9931 462 70 34 CAT-AP The Communication Authoity of Th
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 379 319 72 TENET-1, ZA
680 285 1919 249 DFN Verein zur Foerderung eines Deutsch
131293 273 23 64 TOT-LLI-AS-AP TOT Public Company Limite
36914 254 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 598 589 CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
4621 509 491 UNINET-AS-AP UNINET-, TH
45458 484 442 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
9931 462 428 CAT-AP The Communication Authoity of Thailand,
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 379 307 TENET-1, ZA
36914 254 251 KENET-AS, KE
131293 273 209 TOT-LLI-AS-AP TOT Public Company Limited, TH
5786 199 198 UPRENET, PR
1916 220 177 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
65200 PRIVATE 119.63.69.0/24 65128 UNASSIGNED
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, 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 /11:1 /12:10
/13:18 /14:33 /15:123 /16:1827 /17:425 /18:545
/19:621 /20:992 /21:910 /22:1792 /23:1764 /24:13794
/25:2 /26:3 /27:2 /28:3 /29:12 /30:39
/31:30 /32:59
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 241 254 KENET-AS, KE
4621 145 509 UNINET-AS-AP UNINET-, TH
8895 128 132 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
18632 34 66 VOLCANO-VISION, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:132 2:1 5:15 6:4 8:4 12:1
14:92 18:1 23:7 24:1 27:86 31:7
35:6 38:9 40:1 41:109 42:9 43:118
44:6 45:61 46:5 47:4 49:333 50:4
52:1 58:91 59:11 60:4 61:285 62:9
63:37 64:59 65:5 66:48 67:43 68:8
69:19 70:2 71:1 72:7 74:50 76:42
77:8 78:3 79:10 80:17 81:28 82:7
83:6 84:8 85:42 86:3 87:3 89:10
90:1 91:46 92:2 93:4 94:4 95:2
96:5 97:2 98:2 101:19 102:16 103:410
104:77 106:67 107:20 108:10 109:8 110:368
111:53 112:26 113:40 114:26 115:9 116:52
117:61 118:103 119:202 121:21 122:213 124:44
125:15 128:90 129:45 130:88 131:68 132:62
133:12 134:305 136:200 137:90 138:10 139:12
140:54 141:5 142:39 143:31 144:28 145:3
146:133 147:62 148:196 149:13 150:131 151:9
152:144 153:14 154:56 155:55 156:67 157:36
158:36 159:245 160:1 161:21 162:27 163:84
164:84 165:52 166:1 167:18 168:123 169:8
170:80 171:140 172:4 173:7 175:19 176:8
177:9 179:10 180:70 181:1 182:18 183:9
184:13 185:46 186:3 187:18 188:14 189:3
190:18 191:36 192:1301 193:308 194:141 195:68
196:166 197:157 198:525 199:281 200:306 201:38
202:695 203:939 204:366 205:142 206:196 207:186
208:67 209:145 210:245 211:19 212:168 213:5
214:8 216:87 217:10 218:23 220:17 221:36
222:5 223:49
End of report
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