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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 29 20:25:41 UTC 2024


IPv4 R&E Routing Table Report   20:25 GMT Mon 29 Apr, 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:                               23784
    Prefixes after maximum aggregation (per Origin AS):           12013
    Deaggregation factor:                                          1.98
    Unique aggregates announced (without unneeded subnets):       13499
    Number of IPv4 prefixes with a valid ROA:                      9062
    Number of IPv4 prefixes with an invalid ROA:                    175
    Number of IPv4 prefixes with no ROA:                          14547
Total ASes present in the Internet Routing Table:                  3097
    Prefixes per ASN:                                              7.68
Origin-only ASes present in the Internet Routing Table:            2674
Origin ASes announcing only one prefix:                            1194
Transit ASes present in the Internet Routing Table:                 423
Transit-only ASes present in the Internet Routing Table:             75
Paths with bogon ASNs present in the IPv4 Routing Table:              9
Average AS path length visible in the Internet Routing Table:       6.6
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                17
    Number of instances of unregistered ASNs:                        17
Number of 32-bit ASNs allocated by the RIRs:                      44317
Number of 32-bit ASNs visible in the Routing Table:                 826
Prefixes from 32-bit ASNs in the Routing Table:                    3503
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:                    205081416
    Equivalent to 12 /8s, 57 /16s and 75 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2180

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

Prefixes being announced by APNIC Region ASes:                     9647
    Total APNIC prefixes after maximum aggregation:                3612
    APNIC Deaggregation factor:                                    2.67
Prefixes being announced from the APNIC address blocks:            9458
    Unique aggregates announced from the APNIC address blocks:     4188
APNIC Region origin ASes present in the Internet Routing Table:     860
    APNIC Prefixes per ASN:                                       11.00
APNIC Region origin ASes announcing only one prefix:                357
APNIC Region transit ASes present in the Internet Routing Table:    102
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    389
Number of APNIC addresses announced to Internet:               49815624
    Equivalent to 2 /8s, 248 /16s and 32 /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:                      8555
    Total ARIN prefixes after maximum aggregation:                 4809
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8679
    Unique aggregates announced from the ARIN address blocks:      5370
ARIN Region origin ASes present in the Internet Routing Table:     1284
    ARIN Prefixes per ASN:                                         6.76
ARIN Region origin ASes announcing only one prefix:                 460
ARIN Region transit ASes present in the Internet Routing Table:     162
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:     207
Number of ARIN addresses announced to Internet:                91179520
    Equivalent to 5 /8s, 111 /16s and 74 /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, 393216-402332
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:                      3567
    Total RIPE prefixes after maximum aggregation:                 2872
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3633
    Unique aggregates announced from the RIPE address blocks:      2993
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         7.9
    Max RIPE Region AS path length visible:                          18
Number of RIPE region 32-bit ASNs visible in the Routing Table:     155
Number of RIPE addresses announced to Internet:                57620224
    Equivalent to 3 /8s, 111 /16s and 55 /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:                    1226
    Total LACNIC prefixes after maximum aggregation:                485
    LACNIC Deaggregation factor:                                   2.53
Prefixes being announced from the LACNIC address blocks:           1225
    Unique aggregates announced from the LACNIC address blocks:     597
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       7.75
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       8.6
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4225792
    Equivalent to 0 /8s, 64 /16s and 123 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    772
    Total AfriNIC prefixes after maximum aggregation:               220
    AfriNIC Deaggregation factor:                                  3.51
Prefixes being announced from the AfriNIC address blocks:           786
    Unique aggregates announced from the AfriNIC address blocks:    349
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     25.35
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   11
Number of AfriNIC addresses announced to Internet:              2232064
    Equivalent to 0 /8s, 34 /16s and 15 /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
  2907         591       2162     464  SINET-AS Research Organization of Infor
131090         586         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         507         40      50  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         504         71      36  CAT-AP The Communication Authoity of Th
  7497         443        180      24  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         189         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP

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         483        507      96  CSUNET-NW, US
  2920         224         44      46  LACOE, US
   668         202        632     171  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         140         18       5  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 23024         108          7      22  OCDE, US
   237          86        543      51  MERIT-AS-14, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         134         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         27      65  RUNNET, RU

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         141        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         108         25      51  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         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
  3596          34          2       2  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         380        319      71  TENET-1, ZA
 36914         177         17      73  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          13          1       7  RwEdNet-AS, RW
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 31960           5          1       1  EMUNET, MZ

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
  2907         591       2162     464  SINET-AS Research Organization of Infor
131090         586         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         507         40      50  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         504         71      36  CAT-AP The Communication Authoity of Th
  2152         483        507      96  CSUNET-NW, US
  7497         443        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         284       1899     250  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         586          577  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  9931         504          468  CAT-AP The Communication Authoity of Thailand, 
 45458         507          457  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         443          419  CSTNET-AS-AP Computer Network Information Cente
  2152         483          387  CSUNET-NW, US
  2018         380          309  TENET-1, ZA
131293         275          210  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         224          178  LACOE, US

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65007  PRIVATE      134.204.208.0/24         18723  SEAGATE-USA-CA-1, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     65044  PRIVATE      192.55.18.0/23           18723  SEAGATE-USA-CA-1, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

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       /12:10      
/13:18      /14:33      /15:121     /16:2013    /17:461     /18:574     
/19:628     /20:1026    /21:971     /22:1959    /23:1893    /24:14067   
/25:1       /26:2       /27:3       /28:0       /29:1       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         171         177  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
  2152          54         483  CSUNET-NW, US
 23024          51         108  OCDE, US
134729          47          63  JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
133481          39          66  AIS-FIBRE-AS-AP AIS Fibre, TH
 32440          38          63  LONI, US
327700          37          41  MoRENet, MZ
  3267          36          77  RUNNET, RU
 18632          33          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      
  14:96       23:22       24:3        27:57       31:1        35:2      
  38:11       40:1        41:141      42:10       43:21       44:6      
  45:67       46:5        47:4        49:338      50:6        52:1      
  58:98       59:19       60:6        61:289      62:8        63:37     
  64:45       65:36       66:61       67:42       68:10       69:18     
  70:2        71:2        72:7        74:48       76:42       77:11     
  78:3        79:10       80:12       81:27       82:7        83:9      
  84:8        85:41       86:5        87:1        89:13       91:52     
  92:3        93:4        94:2        95:18       96:6        97:1      
  98:3       101:9       102:2       103:496     104:81      107:20     
 108:11      109:7       110:394     111:29      112:26      113:38     
 114:28      115:9       116:28      117:63      118:112     119:199    
 121:9       122:241     123:9       124:48      125:11      128:91     
 129:36      130:83      131:62      132:65      133:157     134:313    
 136:197     137:78      138:59      139:11      140:43      141:11     
 142:26      143:26      144:27      145:2       146:137     147:94     
 148:47      149:11      150:47      151:9       152:133     153:14     
 154:64      155:63      156:135     157:25      158:35      159:257    
 160:30      161:24      162:21      163:87      164:70      165:49     
 166:1       167:19      168:121     169:6       170:113     171:141    
 172:7       173:8       174:1       175:25      176:8       177:6      
 178:1       179:13      180:69      182:20      183:6       184:12     
 185:60      186:3       187:18      188:15      189:3       190:17     
 191:16      192:1392    193:267     194:143     195:74      196:154    
 197:98      198:545     199:275     200:258     201:36      202:786    
 203:906     204:394     205:169     206:193     207:239     208:75     
 209:183     210:268     211:16      212:163     213:6       214:8      
 216:93      217:9       218:23      219:5       220:17      221:36     
 222:2       223:59     

End of report


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