[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 17 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 17 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              190994
    Prefixes after maximum aggregation (per Origin AS):           84613
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      105634
    Number of IPv4 prefixes with a valid ROA:                     74989
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115986
Total ASes present in the Internet Routing Table:                 16022
    Prefixes per ASN:                                             11.92
Origin-only ASes present in the Internet Routing Table:           13842
Origin ASes announcing only one prefix:                            6341
Transit ASes present in the Internet Routing Table:                2180
Transit-only ASes present in the Internet Routing Table:            592
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               231
    Number of instances of unregistered ASNs:                       231
Number of 32-bit ASNs allocated by the RIRs:                      44485
Number of 32-bit ASNs visible in the Routing Table:                5713
Prefixes from 32-bit ASNs in the Routing Table:                   19560
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            101
Number of addresses announced to Internet:                   1116089761
    Equivalent to 66 /8s, 134 /16s and 45 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       56444

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

Prefixes being announced by APNIC Region ASes:                    30111
    Total APNIC prefixes after maximum aggregation:                7033
    APNIC Deaggregation factor:                                    4.28
Prefixes being announced from the APNIC address blocks:           29610
    Unique aggregates announced from the APNIC address blocks:     8009
APNIC Region origin ASes present in the Internet Routing Table:    1160
    APNIC Prefixes per ASN:                                       25.53
APNIC Region origin ASes announcing only one prefix:                473
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    514
Number of APNIC addresses announced to Internet:              200138352
    Equivalent to 11 /8s, 237 /16s and 222 /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:                     89052
    Total ARIN prefixes after maximum aggregation:                48627
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87693
    Unique aggregates announced from the ARIN address blocks:     54637
ARIN Region origin ASes present in the Internet Routing Table:     7508
    ARIN Prefixes per ASN:                                        11.68
ARIN Region origin ASes announcing only one prefix:                3248
ARIN Region transit ASes present in the Internet Routing Table:     680
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1557
Number of ARIN addresses announced to Internet:               655882081
    Equivalent to 39 /8s, 23 /16s and 247 /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:                     36743
    Total RIPE prefixes after maximum aggregation:                17392
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37424
    Unique aggregates announced from the RIPE address blocks:     25107
RIPE Region origin ASes present in the Internet Routing Table:     3504
    RIPE Prefixes per ASN:                                        10.68
RIPE Region origin ASes announcing only one prefix:                1487
RIPE Region transit ASes present in the Internet Routing Table:     533
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1295
Number of RIPE addresses announced to Internet:               159714768
    Equivalent to 9 /8s, 133 /16s and 13 /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:                   30095
    Total LACNIC prefixes after maximum aggregation:               9434
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          29782
    Unique aggregates announced from the LACNIC address blocks:   14603
LACNIC Region origin ASes present in the Internet Routing Table:   2928
    LACNIC Prefixes per ASN:                                      10.17
LACNIC Region origin ASes announcing only one prefix:              1037
LACNIC Region transit ASes present in the Internet Routing Table:   581
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2219
Number of LACNIC addresses announced to Internet:              72559360
    Equivalent to 4 /8s, 83 /16s and 43 /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:                   4762
    Total AfriNIC prefixes after maximum aggregation:              1947
    AfriNIC Deaggregation factor:                                  2.45
Prefixes being announced from the AfriNIC address blocks:          6384
    Unique aggregates announced from the AfriNIC address blocks:   3184
AfriNIC Region origin ASes present in the Internet Routing Table:   236
    AfriNIC Prefixes per ASN:                                     27.05
AfriNIC Region origin ASes announcing only one prefix:               96
AfriNIC Region transit ASes present in the Internet Routing Table:   75
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  128
Number of AfriNIC addresses announced to Internet:             27704832
    Equivalent to 1 /8s, 166 /16s and 190 /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
  9808        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         600       2146     464  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         453        490     109  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9918      11376    3552  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2788       3441    1313  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1817        117    1250  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979         985         64     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1292        107    1044  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         815       1033     148  SAUDINETSTC-AS, SA
  8376         719         60      21  Jordan Data Communications, JO
  8452         626       1841      11  TE-AS TE-AS, EG
 51167         509         98     214  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         386         34       5  ASN-ISKON, HR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5334       1496     746  UNINET, MX
  3816        1320        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1085        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         540       2819      83  TELEFONICA BRASIL S.A, BR
 13999         489         66     212  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 22724         230         15      98  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         630        210     256  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         324         46     114  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         256         82       3  KENET-AS, KE
 36992         189        241     160  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         149        150      88  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 24757         136         36      51  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9918      11376    3552  AMAZON-02, US
  9808        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5334       1496     746  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2788       3441    1313  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1817        117    1250  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9650         9589  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5334         4588  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2788         1475  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1374  CMNET-JIANGSU-AP China Mobile communications co
  3816        1320         1125  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:92      
/13:124     /14:356     /15:691     /16:5953    /17:2477    /18:2562    
/19:5415    /20:8686    /21:10803   /22:19782   /23:20701   /24:113038  
/25:75      /26:48      /27:70      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2883        5334  UNINET, MX
 16509        2119        9918  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         740         881  BRSPD-PUBLIC, US
  6147         681        1085  Telefonica del Peru S.A.A., PE
  8376         564         719  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:11        2:370       3:344       5:1116      6:150       7:5      
   8:629      11:171      12:659      13:305      14:100      15:282    
  16:175      17:6        18:738      20:33       21:4        22:188    
  23:1882     24:736      25:2        27:27       29:19       31:205    
  32:1        34:10       35:57       36:1175     37:451      38:897    
  39:524      40:11       41:748      42:13       43:180      44:35     
  45:2417     46:628      47:98       49:9        50:284      51:469    
  52:1362     54:275      55:999      57:16       58:7        59:36     
  60:19       61:63       62:336      63:506      64:1538     65:823    
  66:1281     67:837      68:177      69:814      70:144      71:196    
  72:487      74:735      75:395      76:210      77:321      78:578    
  79:193      80:218      81:186      82:180      83:114      84:198    
  85:344      86:162      87:154      88:150      89:536      90:96     
  91:606      92:416      93:806      94:511      95:1110     96:365    
  97:34       98:136      99:151     100:23      101:21      102:250    
 103:1122    104:779     105:142     106:3       107:200     108:312    
 109:265     110:38      111:1789    112:444     113:46      114:32     
 115:16      116:34      117:962     118:70      119:105     120:1076   
 121:19      122:86      123:20      124:58      125:12      128:362    
 129:281     130:507     131:811     132:491     133:195     134:345    
 135:89      136:369     137:420     138:762     139:404     140:596    
 141:324     142:702     143:590     144:332     145:64      146:492    
 147:392     148:623     149:501     150:291     151:580     152:582    
 153:119     154:581     155:688     156:450     157:287     158:331    
 159:693     160:731     161:481     162:697     163:286     164:650    
 165:399     166:99      167:406     168:898     169:153     170:1250   
 171:65      172:920     173:820     174:191     175:41      176:410    
 177:793     178:339     179:516     180:55      181:1009    182:26     
 183:826     184:312     185:2486    186:794     187:770     188:639    
 189:1095    190:2735    191:254     192:3906    193:1294    194:863    
 195:572     196:455     197:402     198:2003    199:3682    200:2441   
 201:2381    202:1063    203:627     204:1799    205:1694    206:1204   
 207:1164    208:947     209:1434    210:341     211:431     212:701    
 213:579     214:1026    215:42      216:1797    217:342     218:524    
 219:24      220:29      221:304     222:22      223:636    

End of report


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