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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 23 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 23 Apr, 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:                              186076
    Prefixes after maximum aggregation (per Origin AS):           81803
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      101485
    Number of IPv4 prefixes with a valid ROA:                     71946
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         114111
Total ASes present in the Internet Routing Table:                 15784
    Prefixes per ASN:                                             11.79
Origin-only ASes present in the Internet Routing Table:           13640
Origin ASes announcing only one prefix:                            6235
Transit ASes present in the Internet Routing Table:                2144
Transit-only ASes present in the Internet Routing Table:            578
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               219
    Number of instances of unregistered ASNs:                       219
Number of 32-bit ASNs allocated by the RIRs:                      44226
Number of 32-bit ASNs visible in the Routing Table:                5693
Prefixes from 32-bit ASNs in the Routing Table:                   19171
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:             99
Number of addresses announced to Internet:                   1111115169
    Equivalent to 66 /8s, 58 /16s and 69 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       53720

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

Prefixes being announced by APNIC Region ASes:                    30115
    Total APNIC prefixes after maximum aggregation:                7062
    APNIC Deaggregation factor:                                    4.26
Prefixes being announced from the APNIC address blocks:           29760
    Unique aggregates announced from the APNIC address blocks:     8102
APNIC Region origin ASes present in the Internet Routing Table:    1144
    APNIC Prefixes per ASN:                                       26.01
APNIC Region origin ASes announcing only one prefix:                466
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    496
Number of APNIC addresses announced to Internet:              199162992
    Equivalent to 11 /8s, 222 /16s and 252 /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:                     85146
    Total ARIN prefixes after maximum aggregation:                46377
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            83743
    Unique aggregates announced from the ARIN address blocks:     51323
ARIN Region origin ASes present in the Internet Routing Table:     7303
    ARIN Prefixes per ASN:                                        11.47
ARIN Region origin ASes announcing only one prefix:                3153
ARIN Region transit ASes present in the Internet Routing Table:     626
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:    1494
Number of ARIN addresses announced to Internet:               650471265
    Equivalent to 38 /8s, 197 /16s and 103 /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:                     35350
    Total RIPE prefixes after maximum aggregation:                16641
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36168
    Unique aggregates announced from the RIPE address blocks:     23871
RIPE Region origin ASes present in the Internet Routing Table:     3408
    RIPE Prefixes per ASN:                                        10.61
RIPE Region origin ASes announcing only one prefix:                1471
RIPE Region transit ASes present in the Internet Routing Table:     530
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1263
Number of RIPE addresses announced to Internet:               160835536
    Equivalent to 9 /8s, 150 /16s and 39 /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:                   31159
    Total LACNIC prefixes after maximum aggregation:               9883
    LACNIC Deaggregation factor:                                   3.15
Prefixes being announced from the LACNIC address blocks:          30849
    Unique aggregates announced from the LACNIC address blocks:   15328
LACNIC Region origin ASes present in the Internet Routing Table:   3047
    LACNIC Prefixes per ASN:                                      10.12
LACNIC Region origin ASes announcing only one prefix:              1059
LACNIC Region transit ASes present in the Internet Routing Table:   610
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:  2336
Number of LACNIC addresses announced to Internet:              72159232
    Equivalent to 4 /8s, 77 /16s and 16 /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:                   4087
    Total AfriNIC prefixes after maximum aggregation:              1664
    AfriNIC Deaggregation factor:                                  2.46
Prefixes being announced from the AfriNIC address blocks:          5457
    Unique aggregates announced from the AfriNIC address blocks:   2769
AfriNIC Region origin ASes present in the Internet Routing Table:   209
    AfriNIC Prefixes per ASN:                                     26.11
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             28429056
    Equivalent to 1 /8s, 177 /16s and 203 /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        9693       8743      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1489        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         789        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         726      10656     150  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        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        9826      11360    3493  AMAZON-02, US
   749        3201      54912    2453  DNIC-AS-00749, US
   367        2846       3552    1367  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1704       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1652        106    1190  USDA-1, US
  5972        1398        393     635  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         895       4164     676  AMAZON-AES, US

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        4741        285      59  ALJAWWALSTC-AS, SA
 20940        1326        112    1079  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         727         60      21  Jordan Data Communications, JO
  8452         511       1841      11  TE-AS TE-AS, EG
 51167         500         96     207  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         397         34       5  ASN-ISKON, HR
 35819         397        390      99  MOBILY-AS Etihad Etisalat Company Mobil

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        5006       1300     865  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         920       1128      28  TELEFONICA BRASIL S.A, BR
 11664         589        103     223  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         501         64     422  Telmex Colombia S.A., CO
 13999         485         68     210  Mega Cable, S.A. de C.V., MX
 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         622        209     252  LINKdotNET-AS, EG
  2018         379        319      71  TENET-1, ZA
 36992         330        500     240  ETISALAT-MISR, EG
 36935         266         66      79  Vodafone-, EG
 36914         207         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         145        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        9826      11360    3493  AMAZON-02, US
  9808        9693       8743      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5006       1300     865  UNINET, MX
 39891        4741        285      59  ALJAWWALSTC-AS, SA
   749        3201      54912    2453  DNIC-AS-00749, US
   367        2846       3552    1367  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1704       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1652        106    1190  USDA-1, US
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati

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        9693         9631  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4741         4682  ALJAWWALSTC-AS, SA
  8151        5006         4141  UNINET, MX
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
   367        2846         1479  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  CMNET-HUNAN-AP China Mobile communications corp
   209        1704         1390  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1489         1379  CMNET-JIANGSU-AP China Mobile communications co
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1313         1116  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      
/13:125     /14:365     /15:707     /16:5924    /17:2478    /18:2610    
/19:5149    /20:8563    /21:10653   /22:19526   /23:20419   /24:109143  
/25:76      /26:50      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3424        4741  ALJAWWALSTC-AS, SA
  8151        2845        5006  UNINET, MX
 16509        2098        9826  AMAZON-02, US
   209         962        1704  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1858  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         718         859  BRSPD-PUBLIC, US
  6147         698        1102  Telefonica del Peru S.A.A., PE
  8376         572         727  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:10        2:367       3:325       5:1065      6:149       7:5      
   8:618      11:171      12:653      13:310      14:100      15:282    
  16:174      17:6        18:736      20:34       21:4        22:188    
  23:1788     24:398      25:2        27:27       29:19       31:177    
  32:1        34:11       35:58       36:1177     37:418      38:840    
  39:522      40:11       41:507      42:23       43:181      44:29     
  45:2374     46:614      47:94       49:11       50:261      51:475    
  52:1361     54:271      55:981      57:16       58:5        59:38     
  60:19       61:65       62:342      63:472      64:1507     65:799    
  66:1238     67:681      68:165      69:751      70:147      71:190    
  72:389      74:741      75:394      76:202      77:315      78:485    
  79:173      80:213      81:182      82:186      83:96       84:182    
  85:332      86:155      87:163      88:120      89:526      90:98     
  91:565      92:394      93:792      94:521      95:1082     96:166    
  97:31       98:129      99:151     100:22      101:20      102:211    
 103:1097    104:713     105:100     106:3       107:213     108:298    
 109:266     110:34      111:1792    112:448     113:43      114:35     
 115:15      116:32      117:957     118:109     119:100     120:1090   
 121:17      122:108     123:49      124:58      125:13      128:353    
 129:276     130:492     131:790     132:501     133:195     134:337    
 135:68      136:365     137:409     138:774     139:388     140:591    
 141:323     142:697     143:601     144:329     145:63      146:464    
 147:318     148:595     149:498     150:292     151:566     152:536    
 153:118     154:570     155:677     156:443     157:267     158:320    
 159:594     160:325     161:420     162:689     163:293     164:632    
 165:383     166:96      167:394     168:962     169:152     170:1295   
 171:65      172:893     173:624     174:105     175:41      176:400    
 177:731     178:311     179:516     180:49      181:978     182:68     
 183:854     184:198     185:2361    186:1027    187:740     188:502    
 189:1084    190:2894    191:195     192:3829    193:1267    194:821    
 195:562     196:371     197:394     198:1944    199:3458    200:2625   
 201:2470    202:1067    203:630     204:1756    205:1676    206:1147   
 207:1087    208:980     209:1455    210:344     211:431     212:709    
 213:567     214:1020    215:42      216:1698    217:281     218:525    
 219:22      220:29      221:302     222:22      223:636    

End of report


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