[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 10 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 10 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:                              189704
    Prefixes after maximum aggregation (per Origin AS):           83697
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      104316
    Number of IPv4 prefixes with a valid ROA:                     74118
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         115566
Total ASes present in the Internet Routing Table:                 15986
    Prefixes per ASN:                                             11.87
Origin-only ASes present in the Internet Routing Table:           13801
Origin ASes announcing only one prefix:                            6334
Transit ASes present in the Internet Routing Table:                2185
Transit-only ASes present in the Internet Routing Table:            600
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:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               225
    Number of instances of unregistered ASNs:                       225
Number of 32-bit ASNs allocated by the RIRs:                      44442
Number of 32-bit ASNs visible in the Routing Table:                5721
Prefixes from 32-bit ASNs in the Routing Table:                   19254
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:             86
Number of addresses announced to Internet:                   1114012833
    Equivalent to 66 /8s, 102 /16s and 124 /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:       55515

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

Prefixes being announced by APNIC Region ASes:                    30000
    Total APNIC prefixes after maximum aggregation:                6985
    APNIC Deaggregation factor:                                    4.29
Prefixes being announced from the APNIC address blocks:           29577
    Unique aggregates announced from the APNIC address blocks:     7997
APNIC Region origin ASes present in the Internet Routing Table:    1152
    APNIC Prefixes per ASN:                                       25.67
APNIC Region origin ASes announcing only one prefix:                464
APNIC Region transit ASes present in the Internet Routing Table:    205
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         22
Number of APNIC region 32-bit ASNs visible in the Routing Table:    499
Number of APNIC addresses announced to Internet:              200254576
    Equivalent to 11 /8s, 239 /16s and 164 /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:                     88383
    Total ARIN prefixes after maximum aggregation:                48179
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87139
    Unique aggregates announced from the ARIN address blocks:     54204
ARIN Region origin ASes present in the Internet Routing Table:     7445
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3219
ARIN Region transit ASes present in the Internet Routing Table:     665
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:    1538
Number of ARIN addresses announced to Internet:               653874017
    Equivalent to 38 /8s, 249 /16s and 83 /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:                     36260
    Total RIPE prefixes after maximum aggregation:                17060
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36986
    Unique aggregates announced from the RIPE address blocks:     24552
RIPE Region origin ASes present in the Internet Routing Table:     3470
    RIPE Prefixes per ASN:                                        10.66
RIPE Region origin ASes announcing only one prefix:                1484
RIPE Region transit ASes present in the Internet Routing Table:     545
Average RIPE Region AS path length visible:                         6.0
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1277
Number of RIPE addresses announced to Internet:               160195792
    Equivalent to 9 /8s, 140 /16s and 100 /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:                   30274
    Total LACNIC prefixes after maximum aggregation:               9547
    LACNIC Deaggregation factor:                                   3.17
Prefixes being announced from the LACNIC address blocks:          29972
    Unique aggregates announced from the LACNIC address blocks:   14649
LACNIC Region origin ASes present in the Internet Routing Table:   3014
    LACNIC Prefixes per ASN:                                       9.94
LACNIC Region origin ASes announcing only one prefix:              1081
LACNIC Region transit ASes present in the Internet Routing Table:   602
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:  2307
Number of LACNIC addresses announced to Internet:              71807488
    Equivalent to 4 /8s, 71 /16s and 178 /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:                   4562
    Total AfriNIC prefixes after maximum aggregation:              1745
    AfriNIC Deaggregation factor:                                  2.61
Prefixes being announced from the AfriNIC address blocks:          5944
    Unique aggregates announced from the AfriNIC address blocks:   2830
AfriNIC Region origin ASes present in the Internet Routing Table:   211
    AfriNIC Prefixes per ASN:                                     28.17
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   65
Average AfriNIC Region AS path length visible:                      5.8
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  100
Number of AfriNIC addresses announced to Internet:             27802624
    Equivalent to 1 /8s, 168 /16s and 60 /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        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  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         724      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  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        9927      11375    3517  AMAZON-02, US
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2818       3475    1333  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1785        115    1245  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1596        105     890  CABLEONE, US
  5972        1370        390     624  DNIC-ASBLK-05800-06055, US
  7979        1008         67     198  SERVERS-COM, US
   855         962        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        1324        110    1068  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         805       1030     146  SAUDINETSTC-AS, SA
  8376         709         60      22  Jordan Data Communications, JO
  8452         620       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil
 57878         381         31     187  PRAGER-IT, AT

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        5253       1445     783  UNINET, MX
  3816        1320        789     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1101        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         539       2819      83  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         490         66     214  Mega Cable, S.A. de C.V., MX
 27983         230         23     124  Red Intercable Digital S.A., AR
 22724         229         15     100  PUNTONET S.A., EC

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
 29571         719         60     177  ORANGE-COTE-IVOIRE, CI
 24863         643        213     260  LINKdotNET-AS, EG
  2018         378        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         216        268     175  ETISALAT-MISR, EG
 36914         204         82       3  KENET-AS, KE
 37492         151        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

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        9927      11375    3517  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5253       1445     783  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2818       3475    1333  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1785        115    1245  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1596        105     890  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        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5253         4470  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2818         1485  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1320         1126  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
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM
41.204.240.0/24      Origin:     36911  RESERVED, ZZ
41.204.240.0/24     Transit:    328766  RESERVED, ZZ

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      
/13:125     /14:355     /15:690     /16:5933    /17:2498    /18:2578    
/19:5374    /20:8771    /21:10614   /22:19800   /23:20582   /24:111978  
/25:75      /26:49      /27:69      /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        2839        5253  UNINET, MX
 16509        2110        9927  AMAZON-02, US
 11492        1206        1596  CABLEONE, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         732         873  BRSPD-PUBLIC, US
  6147         696        1101  Telefonica del Peru S.A.A., PE
  8376         559         709  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        2:374       3:342       5:1110      6:150       7:5      
   8:620      11:171      12:657      13:309      14:102      15:282    
  16:178      17:6        18:740      20:34       21:4        22:188    
  23:1871     24:729      25:2        27:27       29:19       31:206    
  32:1        34:11       35:58       36:1174     37:416      38:961    
  39:524      40:11       41:613      42:13       43:182      44:37     
  45:2413     46:629      47:102      49:13       50:272      51:472    
  52:1361     54:275      55:1000     57:16       58:7        59:38     
  60:19       61:62       62:335      63:496      64:1540     65:818    
  66:1258     67:819      68:169      69:835      70:148      71:196    
  72:460      74:731      75:394      76:209      77:324      78:510    
  79:175      80:195      81:200      82:176      83:107      84:181    
  85:372      86:156      87:166      88:118      89:529      90:98     
  91:592      92:420      93:806      94:499      95:1100     96:371    
  97:31       98:136      99:151     100:23      101:20      102:214    
 103:1097    104:765     105:130     106:3       107:211     108:310    
 109:272     110:36      111:1789    112:445     113:47      114:34     
 115:16      116:30      117:962     118:70      119:103     120:1076   
 121:18      122:86      123:23      124:58      125:12      128:368    
 129:292     130:515     131:828     132:501     133:195     134:329    
 135:72      136:370     137:416     138:784     139:399     140:596    
 141:307     142:710     143:608     144:332     145:64      146:493    
 147:393     148:616     149:482     150:291     151:580     152:582    
 153:119     154:493     155:682     156:443     157:283     158:316    
 159:687     160:992     161:437     162:701     163:287     164:639    
 165:391     166:98      167:402     168:917     169:147     170:1270   
 171:63      172:905     173:798     174:185     175:41      176:415    
 177:730     178:381     179:539     180:50      181:927     182:16     
 183:827     184:313     185:2395    186:809     187:753     188:590    
 189:1120    190:2749    191:180     192:3853    193:1281    194:843    
 195:571     196:406     197:327     198:1986    199:3621    200:2419   
 201:2434    202:1071    203:624     204:1762    205:1697    206:1162   
 207:1156    208:936     209:1447    210:341     211:431     212:693    
 213:566     214:1006    215:42      216:1775    217:291     218:525    
 219:24      220:29      221:302     222:22      223:634    

End of report


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