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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 25 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 25 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:                              186085
    Prefixes after maximum aggregation (per Origin AS):           81741
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101544
    Number of IPv4 prefixes with a valid ROA:                     72066
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         114001
Total ASes present in the Internet Routing Table:                 15715
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           13594
Origin ASes announcing only one prefix:                            6217
Transit ASes present in the Internet Routing Table:                2121
Transit-only ASes present in the Internet Routing Table:            570
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    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:                      44257
Number of 32-bit ASNs visible in the Routing Table:                5674
Prefixes from 32-bit ASNs in the Routing Table:                   19002
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:             92
Number of addresses announced to Internet:                   1111493537
    Equivalent to 66 /8s, 64 /16s and 11 /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:       53552

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

Prefixes being announced by APNIC Region ASes:                    29938
    Total APNIC prefixes after maximum aggregation:                7026
    APNIC Deaggregation factor:                                    4.26
Prefixes being announced from the APNIC address blocks:           29615
    Unique aggregates announced from the APNIC address blocks:     8013
APNIC Region origin ASes present in the Internet Routing Table:    1108
    APNIC Prefixes per ASN:                                       26.73
APNIC Region origin ASes announcing only one prefix:                442
APNIC Region transit ASes present in the Internet Routing Table:    197
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    476
Number of APNIC addresses announced to Internet:              198874480
    Equivalent to 11 /8s, 218 /16s and 149 /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:                     85201
    Total ARIN prefixes after maximum aggregation:                46450
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83809
    Unique aggregates announced from the ARIN address blocks:     51441
ARIN Region origin ASes present in the Internet Routing Table:     7318
    ARIN Prefixes per ASN:                                        11.45
ARIN Region origin ASes announcing only one prefix:                3156
ARIN Region transit ASes present in the Internet Routing Table:     629
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:    1503
Number of ARIN addresses announced to Internet:               650451297
    Equivalent to 38 /8s, 197 /16s and 25 /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:                     35169
    Total RIPE prefixes after maximum aggregation:                16489
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35904
    Unique aggregates announced from the RIPE address blocks:     23654
RIPE Region origin ASes present in the Internet Routing Table:     3364
    RIPE Prefixes per ASN:                                        10.67
RIPE Region origin ASes announcing only one prefix:                1452
RIPE Region transit ASes present in the Internet Routing Table:     515
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:    1244
Number of RIPE addresses announced to Internet:               160669648
    Equivalent to 9 /8s, 147 /16s and 159 /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:                   31511
    Total LACNIC prefixes after maximum aggregation:               9954
    LACNIC Deaggregation factor:                                   3.17
Prefixes being announced from the LACNIC address blocks:          31209
    Unique aggregates announced from the LACNIC address blocks:   15654
LACNIC Region origin ASes present in the Internet Routing Table:   3051
    LACNIC Prefixes per ASN:                                      10.23
LACNIC Region origin ASes announcing only one prefix:              1080
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:  2348
Number of LACNIC addresses announced to Internet:              73213952
    Equivalent to 4 /8s, 93 /16s and 40 /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:                   4035
    Total AfriNIC prefixes after maximum aggregation:              1637
    AfriNIC Deaggregation factor:                                  2.46
Prefixes being announced from the AfriNIC address blocks:          5456
    Unique aggregates announced from the AfriNIC address blocks:   2696
AfriNIC Region origin ASes present in the Internet Routing Table:   208
    AfriNIC Prefixes per ASN:                                     26.23
AfriNIC Region origin ASes announcing only one prefix:               87
AfriNIC Region transit ASes present in the Internet Routing Table:   63
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  103
Number of AfriNIC addresses announced to Internet:             28243456
    Equivalent to 1 /8s, 174 /16s and 246 /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        9699       8743      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1489        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  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        9828      11361    3490  AMAZON-02, US
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2835       3550    1361  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1683        108    1200  USDA-1, US
  5972        1399        393     636  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         899       4165     680  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        1321        112    1073  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      21  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         501         96     208  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         397        390      99  MOBILY-AS Etihad Etisalat Company Mobil
 13046         395         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        5563       1467     890  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1104        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         590        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         476         67     202  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         380        319      71  TENET-1, ZA
 36992         322        477     236  ETISALAT-MISR, EG
 36935         266         66      79  Vodafone-, EG
 36914         201         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         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        9828      11361    3490  AMAZON-02, US
  9808        9699       8743      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5563       1467     890  UNINET, MX
 39891        4741        285      59  ALJAWWALSTC-AS, SA
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2835       3550    1361  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1683        108    1200  USDA-1, US
 56047        1507        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        9699         9637  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4741         4682  ALJAWWALSTC-AS, SA
  8151        5563         4673  UNINET, MX
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
   367        2835         1474  DNIC-ASBLK-00306-00371, US
 56047        1507         1460  CMNET-HUNAN-AP China Mobile communications corp
   209        1703         1389  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1489         1379  CMNET-JIANGSU-AP China Mobile communications co
 56041        1449         1376  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     /15:706     /16:5927    /17:2477    /18:2601    
/19:5223    /20:8583    /21:10801   /22:19599   /23:20433   /24:108832  
/25:76      /26:50      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3424        4741  ALJAWWALSTC-AS, SA
  8151        3071        5563  UNINET, MX
 16509        2097        9828  AMAZON-02, US
   209         961        1703  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1858  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         721         862  BRSPD-PUBLIC, US
  6147         699        1104  Telefonica del Peru S.A.A., PE
  8376         567         722  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        2:364       3:326       5:1044      6:149       7:5      
   8:618      11:171      12:657      13:309      14:100      15:282    
  16:174      17:6        18:739      20:34       21:4        22:188    
  23:1792     24:397      25:2        27:26       29:19       31:174    
  32:1        34:11       35:58       36:1176     37:411      38:851    
  39:524      40:11       41:503      42:23       43:178      44:29     
  45:2359     46:606      47:93       49:11       50:258      51:476    
  52:1360     54:271      55:997      57:16       58:7        59:38     
  60:19       61:63       62:341      63:478      64:1492     65:797    
  66:1246     67:685      68:179      69:751      70:146      71:188    
  72:373      74:743      75:392      76:202      77:311      78:486    
  79:174      80:210      81:184      82:181      83:100      84:182    
  85:339      86:153      87:148      88:119      89:521      90:98     
  91:557      92:391      93:786      94:514      95:1077     96:163    
  97:31       98:131      99:151     100:22      101:20      102:222    
 103:1031    104:730     105:100     106:3       107:208     108:298    
 109:260     110:34      111:1794    112:449     113:44      114:32     
 115:15      116:28      117:958     118:110     119:100     120:1089   
 121:17      122:111     123:50      124:57      125:12      128:358    
 129:276     130:504     131:787     132:499     133:195     134:336    
 135:68      136:365     137:409     138:780     139:390     140:595    
 141:319     142:697     143:609     144:330     145:64      146:471    
 147:319     148:596     149:489     150:291     151:566     152:536    
 153:118     154:530     155:674     156:437     157:274     158:317    
 159:592     160:327     161:421     162:683     163:294     164:628    
 165:380     166:96      167:399     168:953     169:160     170:1299   
 171:65      172:894     173:632     174:105     175:34      176:399    
 177:745     178:297     179:505     180:49      181:973     182:60     
 183:856     184:199     185:2314    186:985     187:786     188:495    
 189:1127    190:2845    191:188     192:3831    193:1260    194:827    
 195:559     196:374     197:379     198:1954    199:3494    200:2594   
 201:2475    202:1058    203:627     204:1749    205:1680    206:1149   
 207:1088    208:981     209:1428    210:329     211:431     212:696    
 213:556     214:1019    215:42      216:1704    217:270     218:526    
 219:24      220:29      221:302     222:22      223:637    

End of report


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