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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 13 22:10:44 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sat 13 Apr, 2024

  IPv4 BGP Table (R&E) as seen at CEDIA.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/CEDIA/

Analysis Summary
----------------

BGP routing table entries examined:                               25338
    Prefixes after maximum aggregation (per Origin AS):           12639
    Deaggregation factor:                                          2.00
    Unique aggregates announced (without unneeded subnets):       14276
    Number of IPv4 prefixes with a valid ROA:                     12322
    Number of IPv4 prefixes with an invalid ROA:                    163
    Number of IPv4 prefixes with no ROA:                          12853
Total ASes present in the Internet Routing Table:                  2751
    Prefixes per ASN:                                              9.21
Origin-only ASes present in the Internet Routing Table:            2373
Origin ASes announcing only one prefix:                            1050
Transit ASes present in the Internet Routing Table:                 378
Transit-only ASes present in the Internet Routing Table:             70
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                13
    Number of instances of unregistered ASNs:                        13
Number of 32-bit ASNs allocated by the RIRs:                      44118
Number of 32-bit ASNs visible in the Routing Table:                 653
Prefixes from 32-bit ASNs in the Routing Table:                    4631
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:              4
Number of addresses announced to Internet:                    239798204
    Equivalent to 14 /8s, 75 /16s and 7 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3264

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

Prefixes being announced by APNIC Region ASes:                     4645
    Total APNIC prefixes after maximum aggregation:                2275
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4698
    Unique aggregates announced from the APNIC address blocks:     2636
APNIC Region origin ASes present in the Internet Routing Table:     549
    APNIC Prefixes per ASN:                                        8.56
APNIC Region origin ASes announcing only one prefix:                232
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45576000
    Equivalent to 2 /8s, 183 /16s and 111 /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:                     14773
    Total ARIN prefixes after maximum aggregation:                 6651
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            14549
    Unique aggregates announced from the ARIN address blocks:      7436
ARIN Region origin ASes present in the Internet Routing Table:     1242
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     203
Number of ARIN addresses announced to Internet:               129752033
    Equivalent to 7 /8s, 187 /16s and 219 /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:                      3608
    Total RIPE prefixes after maximum aggregation:                 2879
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3780
    Unique aggregates announced from the RIPE address blocks:      3143
RIPE Region origin ASes present in the Internet Routing Table:      681
    RIPE Prefixes per ASN:                                         5.55
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57677968
    Equivalent to 3 /8s, 112 /16s and 24 /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:                    1492
    Total LACNIC prefixes after maximum aggregation:                655
    LACNIC Deaggregation factor:                                   2.28
Prefixes being announced from the LACNIC address blocks:           1498
    Unique aggregates announced from the LACNIC address blocks:     839
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.54
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4291339
    Equivalent to 0 /8s, 65 /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:                    807
    Total AfriNIC prefixes after maximum aggregation:               168
    AfriNIC Deaggregation factor:                                  4.80
Prefixes being announced from the AfriNIC address blocks:           809
    Unique aggregates announced from the AfriNIC address blocks:    218
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     16.51
AfriNIC Region origin ASes announcing only one prefix:               28
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2499840
    Equivalent to 0 /8s, 38 /16s and 37 /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
  2907         600       2160     464  SINET-AS Research Organization of Infor
  7497         442        180      24  CSTNET-AS-AP Computer Network Informati
  1237         191         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2763       3641     413  GOOGLE-CLOUD-PLATFORM, US
 16509        2164       1675     929  AMAZON-02, US
 14618         893       4164     674  AMAZON-AES, US
 15169         837       1997      61  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
   270         162        345      88  AS270, US
  2152         151        507      94  CSUNET-NW, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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         161         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  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          76         32      68  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340         117         25      54  Red Universitaria Nacional, CL
 27947         117          0      90  Telconet S.A, EC
271640          68          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 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         379        319      71  TENET-1, ZA
 36914         199         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          12          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW
 36982           8         33       8  UCT, ZA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2763       3641     413  GOOGLE-CLOUD-PLATFORM, US
 16509        2164       1675     929  AMAZON-02, US
 14618         893       4164     674  AMAZON-AES, US
 15169         837       1997      61  GOOGLE, US
  2907         600       2160     464  SINET-AS Research Organization of Infor
  7497         442        180      24  CSTNET-AS-AP Computer Network Informati
  2018         379        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   376         201        162     151  RISQ-AS, CA
 36914         199         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 16509        2164         1235  AMAZON-02, US
 15169         837          776  GOOGLE, US
  7497         442          418  CSTNET-AS-AP Computer Network Information Cente
  2018         379          308  TENET-1, ZA
 14618         893          219  AMAZON-AES, US
 36914         199          196  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US
  8895         161          156  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, 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
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
170.39.88.0/24       Origin:     14618  AMAZON-AES, US
170.39.88.0/24      Transit:     16509  AMAZON-02, US
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /11:4       /12:19      
/13:35      /14:81      /15:160     /16:2107    /17:507     /18:501     
/19:733     /20:2793    /21:1059    /22:1678    /23:1738    /24:13543   
/25:78      /26:53      /27:73      /28:22      /29:77      /30:33      
/31:37      /32:5       

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

   ASN  No of nets  Total ann.  Description
 16509         319        2164  AMAZON-02, US
 14618         294         893  AMAZON-AES, US
 15169         276         837  GOOGLE, US
396982         214        2763  GOOGLE-CLOUD-PLATFORM, US
 36914         186         199  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 27947          92         117  Telconet S.A, EC
 32440          87         119  LONI, US
 23024          51         108  OCDE, US
327700          40          46  MoRENet, MZ

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         3:86        5:21        8:28       12:1        13:45     
  14:90       15:71       16:112      18:66       23:112      24:3      
  31:3        34:25       35:51       38:10       40:5        41:118    
  42:10       43:2        44:8        45:57       46:11       47:1      
  49:9        50:3        52:551      54:163      59:19       60:6      
  61:3        62:9        63:36       64:161      65:12       66:81     
  67:64       68:14       69:40       70:44       71:3        72:11     
  74:147      75:1        76:47       77:13       78:3        79:10     
  80:13       81:25       82:7        83:7        84:10       85:34     
  86:4        87:4        88:1        89:21       91:59       92:5      
  93:4        94:2        95:2        96:7        97:1        98:11     
  99:47      101:3       102:10      103:300     104:226     107:34     
 108:105     109:10      111:16      114:32      115:1       116:10     
 117:61      118:33      119:20      121:27      122:8       123:8      
 124:42      125:5       128:84      129:40      130:136     131:65     
 132:59      133:157     134:110     135:3       136:297     137:66     
 138:58      139:17      140:41      141:6       142:276     143:24     
 144:40      145:3       146:145     147:71      148:201     149:18     
 150:43      151:18      152:136     153:14      154:31      155:75     
 156:141     157:27      158:42      159:148     160:30      161:27     
 162:99      163:80      164:24      165:61      166:1       167:20     
 168:156     169:10      170:150     171:1       172:114     173:115    
 174:2       175:18      176:10      177:6       178:1       179:10     
 180:15      182:1       184:2       185:108     186:3       187:18     
 188:18      189:3       190:2       191:13      192:1512    193:284    
 194:126     195:72      196:151     197:116     198:481     199:305    
 200:253     201:34      202:622     203:414     204:369     205:154    
 206:198     207:184     208:146     209:173     210:190     211:14     
 212:162     213:16      216:181     217:13      218:22      219:5      
 220:17      222:2       223:14     

End of report


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