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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 19 18:45:41 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Fri 19 Apr, 2024

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

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

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

BGP routing table entries examined:                               15499
    Prefixes after maximum aggregation (per Origin AS):            8306
    Deaggregation factor:                                          1.87
    Unique aggregates announced (without unneeded subnets):        9454
    Number of IPv4 prefixes with a valid ROA:                      4051
    Number of IPv4 prefixes with an invalid ROA:                      9
    Number of IPv4 prefixes with no ROA:                          11439
Total ASes present in the Internet Routing Table:                  2246
    Prefixes per ASN:                                              6.90
Origin-only ASes present in the Internet Routing Table:            1958
Origin ASes announcing only one prefix:                             822
Transit ASes present in the Internet Routing Table:                 288
Transit-only ASes present in the Internet Routing Table:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      17
    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:                      44201
Number of 32-bit ASNs visible in the Routing Table:                 525
Prefixes from 32-bit ASNs in the Routing Table:                    1515
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:                    157608192
    Equivalent to 9 /8s, 100 /16s and 233 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1477

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

Prefixes being announced by APNIC Region ASes:                     4424
    Total APNIC prefixes after maximum aggregation:                2281
    APNIC Deaggregation factor:                                    1.94
Prefixes being announced from the APNIC address blocks:            4420
    Unique aggregates announced from the APNIC address blocks:     2627
APNIC Region origin ASes present in the Internet Routing Table:     566
    APNIC Prefixes per ASN:                                        7.81
APNIC Region origin ASes announcing only one prefix:                242
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               45440256
    Equivalent to 2 /8s, 181 /16s and 93 /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:                      8001
    Total ARIN prefixes after maximum aggregation:                 4680
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8021
    Unique aggregates announced from the ARIN address blocks:      5197
ARIN Region origin ASes present in the Internet Routing Table:     1238
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     195
Number of ARIN addresses announced to Internet:                92671488
    Equivalent to 5 /8s, 134 /16s and 14 /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:                       918
    Total RIPE prefixes after maximum aggregation:                  641
    RIPE Deaggregation factor:                                     1.43
Prefixes being announced from the RIPE address blocks:              913
    Unique aggregates announced from the RIPE address blocks:       690
RIPE Region origin ASes present in the Internet Routing Table:      198
    RIPE Prefixes per ASN:                                         4.61
RIPE Region origin ASes announcing only one prefix:                  87
RIPE Region transit ASes present in the Internet Routing Table:      28
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:      32
Number of RIPE addresses announced to Internet:                12951552
    Equivalent to 0 /8s, 197 /16s and 160 /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:                    1378
    Total LACNIC prefixes after maximum aggregation:                551
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1376
    Unique aggregates announced from the LACNIC address blocks:     749
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.60
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4211456
    Equivalent to 0 /8s, 64 /16s and 67 /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:                    765
    Total AfriNIC prefixes after maximum aggregation:               142
    AfriNIC Deaggregation factor:                                  5.39
Prefixes being announced from the AfriNIC address blocks:           765
    Unique aggregates announced from the AfriNIC address blocks:    188
AfriNIC Region origin ASes present in the Internet Routing Table:    24
    AfriNIC Prefixes per ASN:                                     31.88
AfriNIC Region origin ASes announcing only one prefix:                9
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      2.4
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    8
Number of AfriNIC addresses announced to Internet:              2324992
    Equivalent to 0 /8s, 35 /16s and 122 /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         441        180      24  CSTNET-AS-AP Computer Network Informati
  1237         189         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     113  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          73          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          58          4      34  ERX-ERNET-AS Education and Research Net

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
   270         117        328      81  AS270, US
 23024         108          7      22  OCDE, US
  1736          79         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         134         24       5  ISU Internet Services Unit ISU, SA
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          77         27      65  RUNNET, RU
  1653          53        151      50  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          16          2      11  NETNOD-IX Netnod AB, SE
  1880          14          1       7  STUPI, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          13        481      13  IP-EEND-AS IP-EEND BV, NL

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
  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          42          3      13  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/TENET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         378        319      71  TENET-1, ZA
 36914         203         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 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
 31960           5          1       1  EMUNET, MZ

Complete listing at https://bgp.nsrc.org/REN/TENET/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
  7497         441        180      24  CSTNET-AS-AP Computer Network Informati
  2018         378        319      71  TENET-1, ZA
   668         203        648     172  DNIC-AS-00668, US
 36914         203         82       3  KENET-AS, KE
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         189         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  2920         174         34       7  LACOE, US

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

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

   ASN  No of nets  Net Savings  Description
  7497         441          417  CSTNET-AS-AP Computer Network Information Cente
  2018         378          307  TENET-1, ZA
 36914         203          200  KENET-AS, KE
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         134          129  ISU Internet Services Unit ISU, SA
 55824         130          111  NKN-CORE-NW NKN Core Network, IN
  1916         141           99  Rede Nacional de Ensino e Pesquisa, BR

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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/TENET/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       
/13:17      /14:30      /15:86      /16:1480    /17:366     /18:401     
/19:483     /20:747     /21:687     /22:1132    /23:1276    /24:8782    
/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         190         203  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          51         108  OCDE, US
327700          40          46  MoRENet, MZ
 32440          38          63  LONI, US
  3267          36          77  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:2         4:2         6:4         8:2        12:1        14:90     
  23:6        24:3        35:6        38:9        40:1        41:121    
  42:10       44:5        45:33       47:1        49:9        50:1      
  52:1        59:19       60:6        61:3        62:4        63:32     
  64:44       65:1        66:45       67:41       68:10       69:17     
  70:2        71:1        72:7        74:48       76:41       77:8      
  80:3        81:1        82:4        83:1        84:5        85:16     
  86:5        87:1        89:2        91:16       92:2        93:1      
  96:5        97:1        98:2       101:2       102:1       103:314    
 104:77      108:10      109:6       114:24      116:8       117:61     
 118:33      119:20      121:11      122:8       123:8       124:42     
 125:5       128:82      129:28      130:83      131:56      132:66     
 133:157     134:107     136:197     137:45      138:57      139:5      
 140:38      141:3       142:26      143:22      144:23      146:134    
 147:55      148:186     149:12      150:42      151:9       152:133    
 153:2       154:29      155:63      156:133     157:20      158:35     
 159:114     160:30      161:12      162:23      163:78      164:14     
 165:48      166:1       167:12      168:120     169:6       170:90     
 171:1       172:3       173:7       175:25      176:8       177:6      
 179:13      180:15      182:9       184:2       185:13      186:3      
 187:18      188:4       189:3       190:17      191:13      192:1073   
 193:38      194:57      195:29      196:153     197:115     198:469    
 199:270     200:256     201:37      202:535     203:358     204:355    
 205:134     206:181     207:156     208:72      209:115     210:204    
 211:14      212:120     213:2       214:8       216:84      218:22     
 219:5       220:17      222:2       223:14     

End of report


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