[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 31 20:25:43 UTC 2024


IPv4 R&E Routing Table Report   20:25 GMT Wed 31 Jan, 2024

  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:                               22993
    Prefixes after maximum aggregation (per Origin AS):           11269
    Deaggregation factor:                                          2.04
    Unique aggregates announced (without unneeded subnets):       12721
    Number of IPv4 prefixes with a valid ROA:                      9143
    Number of IPv4 prefixes with an invalid ROA:                    194
    Number of IPv4 prefixes with no ROA:                          13656
Total ASes present in the Internet Routing Table:                  2954
    Prefixes per ASN:                                              7.78
Origin-only ASes present in the Internet Routing Table:            2543
Origin ASes announcing only one prefix:                            1139
Transit ASes present in the Internet Routing Table:                 411
Transit-only ASes present in the Internet Routing Table:             78
Paths with bogon ASNs present in the IPv4 Routing Table:             16
Average AS path length visible in the Internet Routing Table:       6.5
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                26
    Number of instances of unregistered ASNs:                        26
Number of 32-bit ASNs allocated by the RIRs:                      43515
Number of 32-bit ASNs visible in the Routing Table:                 765
Prefixes from 32-bit ASNs in the Routing Table:                    3489
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:              1
Number of addresses announced to Internet:                    191651136
    Equivalent to 11 /8s, 108 /16s and 93 /24s
    Percentage of available address space announced:                5.2
    Percentage of allocated address space announced:                5.2
    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:        2483

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     8298
    Total APNIC prefixes after maximum aggregation:                2892
    APNIC Deaggregation factor:                                    2.87
Prefixes being announced from the APNIC address blocks:            8127
    Unique aggregates announced from the APNIC address blocks:     3413
APNIC Region origin ASes present in the Internet Routing Table:     694
    APNIC Prefixes per ASN:                                       11.71
APNIC Region origin ASes announcing only one prefix:                285
APNIC Region transit ASes present in the Internet Routing Table:     86
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    317
Number of APNIC addresses announced to Internet:               36011328
    Equivalent to 2 /8s, 37 /16s and 125 /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:                      8420
    Total ARIN prefixes after maximum aggregation:                 4741
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8548
    Unique aggregates announced from the ARIN address blocks:      5355
ARIN Region origin ASes present in the Internet Routing Table:     1273
    ARIN Prefixes per ASN:                                         6.71
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     166
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:     199
Number of ARIN addresses announced to Internet:                91157248
    Equivalent to 5 /8s, 110 /16s and 243 /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:                      3607
    Total RIPE prefixes after maximum aggregation:                 2866
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3662
    Unique aggregates announced from the RIPE address blocks:      2944
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.34
RIPE Region origin ASes announcing only one prefix:                 311
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:                          18
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57591296
    Equivalent to 3 /8s, 110 /16s and 198 /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:                    1375
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.42
Prefixes being announced from the LACNIC address blocks:           1373
    Unique aggregates announced from the LACNIC address blocks:     764
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       8.42
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:               4143104
    Equivalent to 0 /8s, 63 /16s and 56 /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:                   1267
    Total AfriNIC prefixes after maximum aggregation:               180
    AfriNIC Deaggregation factor:                                  7.04
Prefixes being announced from the AfriNIC address blocks:          1282
    Unique aggregates announced from the AfriNIC address blocks:    244
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     24.19
AfriNIC Region origin ASes announcing only one prefix:               30
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:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2746112
    Equivalent to 0 /8s, 41 /16s and 231 /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         582         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         502         40      47  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         499         71      36  CAT-AP The Communication Authoity of Th
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
131293         275         23      65  TOT-LLI-AS-AP TOT Public Company Limite
  4765         208         13      95  PACIFICINTERNET-AS-AP Pacific Internet 
  1237         194         74     142  KREONET-AS-KR KISTI, KR
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
 23884         156         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         423        507      96  CSUNET-NW, US
   668         203        636     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
 23024         109          7      22  OCDE, US
  2920         105         34       9  LACOE, US
 21976          81         51      19  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       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         188       1767     181  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          96       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
   137          94        677      77  ASGARR Consortium GARR, IT
  2614          94         27      73  ROEDUNET, RO
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         149        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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
 36914         480         82       3  KENET-AS, KE
  2018         379        319      70  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA
 37654          11          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         582         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         502         40      47  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         499         71      36  CAT-AP The Communication Authoity of Th
 36914         480         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2152         423        507      96  CSUNET-NW, US
  2018         379        319      70  TENET-1, ZA
   680         285       1899     249  DFN Verein zur Foerderung eines Deutsch
131293         275         23      65  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         582          573  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
 36914         480          477  KENET-AS, KE
  9931         499          463  CAT-AP The Communication Authoity of Thailand, 
 45458         502          455  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2152         423          327  CSUNET-NW, US
  2018         379          309  TENET-1, ZA
131293         275          210  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         198          197  UPRENET, PR
327687         161          158  RENU, UG

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
     65208  PRIVATE      63.225.1.0/24            11570  RESERVED, ZZ
     65101  PRIVATE      64.54.9.0/24              5653  UCSF, US
     65101  PRIVATE      64.54.18.0/24             5653  UCSF, US
     65101  PRIVATE      64.54.128.0/24            5653  UCSF, US
     65101  PRIVATE      64.54.149.0/24            5653  UCSF, US
     65101  PRIVATE      64.54.162.0/24            5653  UCSF, US
     65101  PRIVATE      64.54.196.0/24            5653  UCSF, US
     65101  PRIVATE      64.54.197.0/24            5653  UCSF, US
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US

Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
220.156.176.0/21     Origin:     23767  A-STAR-AS-AP A-STAR, SG
220.156.176.0/21    Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

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       /10:1       /11:1       /12:9       
/13:18      /14:33      /15:119     /16:1823    /17:431     /18:553     
/19:622     /20:980     /21:933     /22:1865    /23:1783    /24:13816   
/25:1       /26:2       /27:2       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         465         480  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
133481          51          78  AIS-FIBRE-AS-AP AIS Fibre, TH
134729          48          64  JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
  2152          45         423  CSUNET-NW, US
 32440          38          62  LONI, US
327700          38          42  MoRENet, MZ
  3267          36          79  RUNNET, RU
 18632          34          66  VOLCANO-VISION, 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        23:23       24:1        27:53       31:1      
  35:6        38:8        40:1        41:178      42:9        43:20     
  44:7        45:71       46:5        47:4        49:337      50:4      
  52:1        58:93       59:10       60:6        61:289      62:12     
  63:37       64:58       65:37       66:60       67:43       68:10     
  69:18       70:2        71:1        72:7        74:48       76:42     
  77:10       78:3        79:10       80:12       81:25       82:7      
  83:9        84:9        85:32       86:4        87:1        89:11     
  90:1        91:48       92:2        93:4        94:2        95:18     
  96:5        97:2        98:3       101:9       102:39      103:388    
 104:79      107:20      108:13      109:6       110:393     111:41     
 112:26      113:39      114:28      115:17      116:25      117:62     
 118:95      119:196     121:13      122:240     123:3       124:46     
 125:8       128:87      129:46      130:87      131:74      132:52     
 133:12      134:316     136:198     137:156     138:58      139:11     
 140:44      141:13      142:39      143:25      144:27      145:3      
 146:134     147:85      148:200     149:13      150:48      151:12     
 152:132     153:14      154:59      155:63      156:68      157:22     
 158:35      159:240     160:4       161:18      162:26      163:90     
 164:70      165:48      166:1       167:20      168:118     169:7      
 170:111     171:141     172:5       173:7       174:1       175:18     
 176:8       177:6       179:12      180:69      181:1       182:12     
 183:6       184:11      185:61      186:3       187:17      188:15     
 189:3       190:17      191:15      192:1315    193:271     194:136    
 195:77      196:201     197:330     198:547     199:276     200:272    
 201:37      202:607     203:804     204:377     205:152     206:199    
 207:217     208:76      209:174     210:256     211:17      212:161    
 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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