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

REN Routing Table Report cscora at frr.nsrc.org
Sat Feb 5 21:05:27 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Sat 05 Feb, 2022

  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:                               17287
    Prefixes after maximum aggregation (per Origin AS):           10014
    Deaggregation factor:                                          1.73
    Unique aggregates announced (without unneeded subnets):       11108
    Number of IPv4 prefixes with a valid ROA:                      3601
    Number of IPv4 prefixes with an invalid ROA:                     72
    Number of IPv4 prefixes with no ROA:                          13614
Total ASes present in the Internet Routing Table:                  2604
    Prefixes per ASN:                                              6.64
Origin-only ASes present in the Internet Routing Table:            2246
Origin ASes announcing only one prefix:                            1034
Transit ASes present in the Internet Routing Table:                 358
Transit-only ASes present in the Internet Routing Table:             54
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      38510
Number of 32-bit ASNs visible in the Routing Table:                 586
Prefixes from 32-bit ASNs in the Routing Table:                    1625
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:              0
Number of addresses announced to Internet:                    200278272
    Equivalent to 11 /8s, 240 /16s and 1 /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:               99.5
Total number of prefixes smaller than registry allocations:        1698

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

Prefixes being announced by APNIC Region ASes:                     4555
    Total APNIC prefixes after maximum aggregation:                2258
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4561
    Unique aggregates announced from the APNIC address blocks:     2591
APNIC Region origin ASes present in the Internet Routing Table:     543
    APNIC Prefixes per ASN:                                        8.40
APNIC Region origin ASes announcing only one prefix:                232
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    207
Number of APNIC addresses announced to Internet:               45573120
    Equivalent to 2 /8s, 183 /16s and 100 /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:                      7062
    Total ARIN prefixes after maximum aggregation:                 4227
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             7071
    Unique aggregates announced from the ARIN address blocks:      4680
ARIN Region origin ASes present in the Internet Routing Table:     1115
    ARIN Prefixes per ASN:                                         6.34
ARIN Region origin ASes announcing only one prefix:                 392
ARIN Region transit ASes present in the Internet Routing Table:     147
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     152
Number of ARIN addresses announced to Internet:                89825792
    Equivalent to 5 /8s, 90 /16s and 162 /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:                      3414
    Total RIPE prefixes after maximum aggregation:                 2767
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3404
    Unique aggregates announced from the RIPE address blocks:      2769
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.09
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     135
Number of RIPE addresses announced to Internet:                57977088
    Equivalent to 3 /8s, 116 /16s and 169 /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:                    1424
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1422
    Unique aggregates announced from the LACNIC address blocks:     764
LACNIC Region origin ASes present in the Internet Routing Table:    168
    LACNIC Prefixes per ASN:                                       8.46
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4150528
    Equivalent to 0 /8s, 63 /16s and 85 /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:                    829
    Total AfriNIC prefixes after maximum aggregation:               194
    AfriNIC Deaggregation factor:                                  4.27
Prefixes being announced from the AfriNIC address blocks:           829
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     15.94
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2751744
    Equivalent to 0 /8s, 41 /16s and 253 /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         571       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  7575         348        330     125  AARNET-AS-AP Australian Academic and Re
  1237         186         74     135  KREONET-AS-KR KISTI, KR
 58647         165         18       2  KAGAWAU-AS Kagawa University, JP
 55824         130         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         128       4192      72  ERX-CERNET-BKB China Education and Rese
 24313          80         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         147        507      87  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          76        496      15  MIT-GATEWAYS, US
  3477          74         71      43  NOAA-NWAVE, 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         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          97       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          58         32      55  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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
  1916         176        207      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      55  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          39          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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
  2018         351        319      74  TENET-1, ZA
 36914         135         81       6  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          35         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH
 37501          11         49       6  UOFS, 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         571       2157     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         351        319      74  TENET-1, ZA
  7575         348        330     125  AARNET-AS-AP Australian Academic and Re
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         186         74     135  KREONET-AS-KR KISTI, KR

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
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         351          277  TENET-1, ZA
  7575         348          223  AARNET-AS-AP Australian Academic and Research N
  5786         200          199  UPRENET, PR
 58647         165          163  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         176          135  Rede Nacional de Ensino e Pesquisa, BR
 18558         136          132  NETBLK-RCOEK, US
 36914         135          129  KENET-AS, KE
 55824         130          107  NKN-CORE-NW NKN Core Network, IN

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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      
/13:17      /14:34      /15:122     /16:1946    /17:383     /18:430     
/19:524     /20:821     /21:885     /22:1361    /23:1455    /24:9295    
/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
  8895         138         143  ISU Internet Services Unit ISU, SA
 36914         127         135  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          34  MoRENet, MZ
 32440          29          44  LONI, US
200521          29          49  SEAP-AGE, ES
 30220          25          26  SWTELCOOP, US

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

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

   1:4         5:15        6:4         8:1        12:1        14:85     
  18:42       23:7        24:2        31:6        37:6        38:9      
  41:56       42:8        44:5        45:33       46:6        47:1      
  49:10       50:1        52:1        59:11       60:4        61:3      
  62:6        63:4        64:27       66:33       67:43       68:8      
  69:19       72:12       74:19       76:33       77:7        78:3      
  79:10       80:16       81:28       82:5        83:6        84:6      
  85:33       86:4        87:1        88:1        89:10       91:45     
  92:1        93:19       94:4        95:5        96:5        97:1      
  98:2       101:6       102:13      103:295     104:14      106:1      
 107:1       108:3       109:10      110:3       111:20      112:4      
 113:1       114:23      116:5       117:61      118:19      119:22     
 121:26      122:8       124:39      125:3       128:102     129:38     
 130:91      131:83      132:55      133:139     134:102     136:194    
 137:220     138:21      139:15      140:50      141:2       142:40     
 143:31      144:25      145:2       146:125     147:33      148:191    
 149:13      150:40      151:6       152:71      153:86      154:25     
 155:51      156:67      157:26      158:42      159:116     160:25     
 161:18      162:16      163:65      164:43      165:55      166:1      
 167:16      168:119     169:9       170:50      171:1       172:2      
 173:1       175:31      176:8       177:13      178:1       179:11     
 180:21      181:1       182:8       184:2       185:37      186:3      
 187:18      188:13      189:5       190:33      191:33      192:1270   
 193:250     194:133     195:91      196:148     197:115     198:417    
 199:265     200:253     201:40      202:432     203:332     204:310    
 205:156     206:164     207:164     208:66      209:105     210:185    
 211:13      212:173     213:4       214:7       216:56      217:15     
 218:25      219:6       220:17      222:5       223:3      

End of report


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