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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jul 1 21:05:59 UTC 2024


IPv4 R&E Routing Table Report   21:05 GMT Mon 01 Jul, 2024

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

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET-Brisbane/

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

BGP routing table entries examined:                               19532
    Prefixes after maximum aggregation (per Origin AS):           10654
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       11678
    Number of IPv4 prefixes with a valid ROA:                      6068
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                          13454
Total ASes present in the Internet Routing Table:                  2811
    Prefixes per ASN:                                              6.95
Origin-only ASes present in the Internet Routing Table:            2427
Origin ASes announcing only one prefix:                            1083
Transit ASes present in the Internet Routing Table:                 384
Transit-only ASes present in the Internet Routing Table:             82
Paths with bogon ASNs present in the IPv4 Routing Table:             24
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44928
Number of 32-bit ASNs visible in the Routing Table:                 663
Prefixes from 32-bit ASNs in the Routing Table:                    1833
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:                    200785152
    Equivalent to 11 /8s, 247 /16s and 189 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2282

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

Prefixes being announced by APNIC Region ASes:                     4945
    Total APNIC prefixes after maximum aggregation:                2285
    APNIC Deaggregation factor:                                    2.16
Prefixes being announced from the APNIC address blocks:            4943
    Unique aggregates announced from the APNIC address blocks:     2596
APNIC Region origin ASes present in the Internet Routing Table:     577
    APNIC Prefixes per ASN:                                        8.57
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    226
Number of APNIC addresses announced to Internet:               45626112
    Equivalent to 2 /8s, 184 /16s and 51 /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:                      8620
    Total ARIN prefixes after maximum aggregation:                 4807
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             8629
    Unique aggregates announced from the ARIN address blocks:      5236
ARIN Region origin ASes present in the Internet Routing Table:     1283
    ARIN Prefixes per ASN:                                         6.73
ARIN Region origin ASes announcing only one prefix:                 459
ARIN Region transit ASes present in the Internet Routing Table:     168
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     207
Number of ARIN addresses announced to Internet:                90815232
    Equivalent to 5 /8s, 105 /16s and 187 /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:                      3536
    Total RIPE prefixes after maximum aggregation:                 2859
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3528
    Unique aggregates announced from the RIPE address blocks:      2914
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.27
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     150
Number of RIPE addresses announced to Internet:                57630976
    Equivalent to 3 /8s, 111 /16s and 97 /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:                    1367
    Total LACNIC prefixes after maximum aggregation:                549
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1367
    Unique aggregates announced from the LACNIC address blocks:     737
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       8.23
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4277504
    Equivalent to 0 /8s, 65 /16s and 69 /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:                   1062
    Total AfriNIC prefixes after maximum aggregation:               152
    AfriNIC Deaggregation factor:                                  6.99
Prefixes being announced from the AfriNIC address blocks:          1061
    Unique aggregates announced from the AfriNIC address blocks:    192
AfriNIC Region origin ASes present in the Internet Routing Table:    31
    AfriNIC Prefixes per ASN:                                     34.23
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:                      4.4
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2425088
    Equivalent to 0 /8s, 37 /16s and 1 /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         591       2162     464  SINET-AS Research Organization of Infor
  7497         445        180      24  CSTNET-AS-AP Computer Network Informati
  7575         333        330     121  AARNET-AS-AP Australian Academic and Re
  1237         191         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
 55824         132         19      20  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
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
  4621          69         37      10  UNINET-AS-AP UNINET-, TH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         479        507      96  CSUNET-NW, US
  2920         230         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
   376         202        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024         107          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          85        543      51  MERIT-AS-14, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         136         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          91         26      71  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          75         26      65  RUNNET, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         140        176      43  Rede Nacional de Ensino e Pesquisa, BR
 11340         109         25      52  Red Universitaria Nacional, CL
271640          64          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 61468          44          5      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         450         82       3  KENET-AS, KE
  2018         380        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         591       2162     464  SINET-AS Research Organization of Infor
  2152         479        507      96  CSUNET-NW, US
 36914         450         82       3  KENET-AS, KE
  7497         445        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
  7575         333        330     121  AARNET-AS-AP Australian Academic and Re
   680         283       1899     250  DFN Verein zur Foerderung eines Deutsch
  2920         230         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
   376         202        162     151  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
 36914         450          447  KENET-AS, KE
  7497         445          421  CSTNET-AS-AP Computer Network Information Cente
  2152         479          383  CSUNET-NW, US
  2018         380          309  TENET-1, ZA
  7575         333          212  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
  2920         230          181  LACOE, US
 58647         182          180  KAGAWAU-AS Kagawa University, JP
 18558         141          136  NETBLK-RCOEK, US
  8895         136          131  ISU Internet Services Unit ISU, SA

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
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/AARNET-Brisbane/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      /15:118     /16:1996    /17:427     /18:447     
/19:576     /20:893     /21:896     /22:1482    /23:1629    /24:11004   
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         440         450  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
  2152          56         479  CSUNET-NW, US
 23024          49         107  OCDE, US
327700          41          47  MoRENet, MZ
 32440          36          62  LONI, US
  3267          35          75  RUNNET, RU
 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/AARNET-Brisbane/data-sXXas-nos

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

   1:2         5:15        6:4         8:2        12:1        14:90     
  23:5        24:3        31:1        35:7        38:10       40:1      
  41:201      42:10       44:5        45:50       46:5        47:1      
  49:10       50:5        52:1        59:19       60:6        61:3      
  62:7        63:37       64:45       65:5        66:51       67:42     
  68:10       69:19       70:2        71:1        72:7        74:49     
  76:39       77:10       78:3        79:10       80:14       81:25     
  82:6        83:7        84:6        85:42       86:5        87:1      
  89:11       91:47       92:2        93:5        94:2        95:2      
  96:5        97:2        98:2       101:1       102:2       103:316    
 104:77      107:12      108:8       109:8       111:16      113:1      
 114:24      116:8       117:61      118:34      119:23      121:27     
 122:8       123:8       124:41      125:5       128:110     129:40     
 130:95      131:62      132:66      133:157     134:109     136:198    
 137:213     138:65      139:15      140:38      141:3       142:25     
 143:25      144:11      145:2       146:135     147:63      148:194    
 149:11      150:41      151:9       152:136     153:79      154:36     
 155:64      156:134     157:21      158:35      159:121     160:30     
 161:17      162:23      163:62      164:14      165:48      166:1      
 167:14      168:120     169:6       170:106     171:1       172:3      
 173:7       175:25      176:8       177:6       179:14      180:16     
 181:1       182:3       184:2       185:49      186:3       187:17     
 188:13      189:3       190:18      191:13      192:1395    193:263    
 194:135     195:74      196:153     197:317     198:576     199:280    
 200:258     201:38      202:597     203:437     204:393     205:171    
 206:205     207:288     208:71      209:177     210:210     211:14     
 212:163     213:6       214:8       216:92      217:9       218:22     
 219:5       220:17      222:2       223:14     

End of report


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