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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Oct 13 19:00:48 UTC 2024


IPv4 R&E Routing Table Report   19:00 GMT Sun 13 Oct, 2024

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

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

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

BGP routing table entries examined:                               19544
    Prefixes after maximum aggregation (per Origin AS):           10679
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       11705
    Number of IPv4 prefixes with a valid ROA:                      7305
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                          12223
Total ASes present in the Internet Routing Table:                  2785
    Prefixes per ASN:                                              7.02
Origin-only ASes present in the Internet Routing Table:            2408
Origin ASes announcing only one prefix:                            1077
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             69
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      45546
Number of 32-bit ASNs visible in the Routing Table:                 669
Prefixes from 32-bit ASNs in the Routing Table:                    1807
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:              6
Number of addresses announced to Internet:                    201545216
    Equivalent to 12 /8s, 3 /16s and 86 /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:        2313

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

Prefixes being announced by APNIC Region ASes:                     4765
    Total APNIC prefixes after maximum aggregation:                2260
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4765
    Unique aggregates announced from the APNIC address blocks:     2589
APNIC Region origin ASes present in the Internet Routing Table:     552
    APNIC Prefixes per ASN:                                        8.63
APNIC Region origin ASes announcing only one prefix:                237
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    202
Number of APNIC addresses announced to Internet:               45809152
    Equivalent to 2 /8s, 186 /16s and 254 /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:                      8585
    Total ARIN prefixes after maximum aggregation:                 4830
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8596
    Unique aggregates announced from the ARIN address blocks:      5255
ARIN Region origin ASes present in the Internet Routing Table:     1279
    ARIN Prefixes per ASN:                                         6.72
ARIN Region origin ASes announcing only one prefix:                 452
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         5.6
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     212
Number of ARIN addresses announced to Internet:                90418944
    Equivalent to 5 /8s, 99 /16s and 175 /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:                      3571
    Total RIPE prefixes after maximum aggregation:                 2866
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3559
    Unique aggregates announced from the RIPE address blocks:      2910
RIPE Region origin ASes present in the Internet Routing Table:      668
    RIPE Prefixes per ASN:                                         5.33
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                58553856
    Equivalent to 3 /8s, 125 /16s and 118 /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:                    1457
    Total LACNIC prefixes after maximum aggregation:                548
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1457
    Unique aggregates announced from the LACNIC address blocks:     731
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.83
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    70
Number of LACNIC addresses announced to Internet:               4284416
    Equivalent to 0 /8s, 65 /16s and 96 /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:                   1162
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.80
Prefixes being announced from the AfriNIC address blocks:          1161
    Unique aggregates announced from the AfriNIC address blocks:    215
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     23.22
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      5.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2468096
    Equivalent to 0 /8s, 37 /16s and 169 /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         590       2170     464  SINET-AS Research Organization of Informa
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
  4758         171         16       1  NICNET-VSNL-BOARDER-AP National Informati
 55824         151         20      34  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  UNINET-AS-AP UNINET-, TH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         512        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   376         200        162     149  RISQ-AS, CA
   668         194        630     163  DNIC-AS-00668, US
  5786         187         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         26      67  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         211        180      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          50          5      16  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         525         82       3  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2170     464  SINET-AS Research Organization of Informa
 36914         525         82       3  KENET-AS, KE
  2152         512        507      99  CENIC-2152, US
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2018         382        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
  1916         211        180      42  Rede Nacional de Ensino e Pesquisa, BR
   376         200        162     149  RISQ-AS, CA
   668         194        630     163  DNIC-AS-00668, US

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

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

   ASN  No of nets  Net Savings  Description
 36914         525          522  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         512          413  CENIC-2152, US
  2018         382          311  TENET-1, ZA
  5786         187          186  UPRENET, PR
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  4758         171          170  NICNET-VSNL-BOARDER-AP National Informatics Cen
  1916         211          169  Rede Nacional de Ensino e Pesquisa, BR
 18558         141          136  NETBLK-RCOEK, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and

Complete listing at https://bgp.nsrc.org/REN/DrukREN/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
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
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/DrukREN/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       /12:11      
/13:18      /14:33      /15:119     /16:1991    /17:426     /18:456     
/19:594     /20:892     /21:896     /22:1478    /23:1609    /24:11018   
/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         504         525  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
  2152          61         512  CENIC-2152, US
327700          40          46  MoRENet, MZ
 23024          37          95  OCDE, US
 32440          37          64  LONI, US
  3267          35          77  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES

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

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

   1:1         5:15        6:4         8:2        12:1        14:91     
  23:7        24:3        31:1        35:3        37:8        38:10     
  40:1        41:248      42:10       44:5        45:48       46:4      
  47:1        49:11       50:4        52:1        59:19       60:6      
  61:3        62:9        63:37       64:45       65:4        66:57     
  67:43       68:12       69:19       70:2        71:1        72:7      
  74:54       76:43       77:10       78:3        79:10       80:12     
  81:25       82:7        83:7        84:5        85:45       86:5      
  87:1        89:11       91:44       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:13     
 103:269     104:79      107:2       108:8       109:4       111:20     
 113:2       114:24      116:9       117:61      118:34      119:25     
 121:27      122:8       123:8       124:42      125:5       128:52     
 129:36      130:97      131:61      132:66      133:154     134:109    
 136:187     137:95      138:58      139:6       140:36      141:3      
 142:52      143:26      144:29      145:2       146:135     147:63     
 148:195     149:13      150:40      151:9       152:139     153:14     
 154:38      155:63      156:133     157:26      158:31      159:121    
 160:30      161:17      162:24      163:63      164:167     165:49     
 166:1       167:30      168:119     169:7       170:96      171:1      
 172:2       173:7       175:16      177:6       179:14      180:16     
 182:9       184:4       185:52      186:3       187:21      188:13     
 189:3       190:18      191:13      192:1397    193:271     194:140    
 195:74      196:149     197:319     198:538     199:278     200:333    
 201:38      202:636     203:438     204:370     205:174     206:214    
 207:310     208:68      209:158     210:217     211:3       212:166    
 213:6       214:8       216:61      217:9       218:21      219:5      
 220:17      222:2       223:15     

End of report


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