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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 11 20:16:28 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 11 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:                              189107
    Prefixes after maximum aggregation (per Origin AS):           83485
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      104003
    Number of IPv4 prefixes with a valid ROA:                     73513
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115575
Total ASes present in the Internet Routing Table:                 15903
    Prefixes per ASN:                                             11.89
Origin-only ASes present in the Internet Routing Table:           13742
Origin ASes announcing only one prefix:                            6296
Transit ASes present in the Internet Routing Table:                2161
Transit-only ASes present in the Internet Routing Table:            588
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:               224
    Number of instances of unregistered ASNs:                       224
Number of 32-bit ASNs allocated by the RIRs:                      44449
Number of 32-bit ASNs visible in the Routing Table:                5688
Prefixes from 32-bit ASNs in the Routing Table:                   18911
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:             97
Number of addresses announced to Internet:                   1113343137
    Equivalent to 66 /8s, 92 /16s and 68 /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:       55035

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

Prefixes being announced by APNIC Region ASes:                    29998
    Total APNIC prefixes after maximum aggregation:                6947
    APNIC Deaggregation factor:                                    4.32
Prefixes being announced from the APNIC address blocks:           29549
    Unique aggregates announced from the APNIC address blocks:     7966
APNIC Region origin ASes present in the Internet Routing Table:    1144
    APNIC Prefixes per ASN:                                       25.83
APNIC Region origin ASes announcing only one prefix:                457
APNIC Region transit ASes present in the Internet Routing Table:    202
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:    496
Number of APNIC addresses announced to Internet:              200183152
    Equivalent to 11 /8s, 238 /16s and 141 /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:                     88490
    Total ARIN prefixes after maximum aggregation:                48257
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87164
    Unique aggregates announced from the ARIN address blocks:     54202
ARIN Region origin ASes present in the Internet Routing Table:     7442
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                3217
ARIN Region transit ASes present in the Internet Routing Table:     667
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:    1536
Number of ARIN addresses announced to Internet:               653835617
    Equivalent to 38 /8s, 248 /16s and 189 /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:                     35845
    Total RIPE prefixes after maximum aggregation:                16875
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36601
    Unique aggregates announced from the RIPE address blocks:     24367
RIPE Region origin ASes present in the Internet Routing Table:     3430
    RIPE Prefixes per ASN:                                        10.67
RIPE Region origin ASes announcing only one prefix:                1460
RIPE Region transit ASes present in the Internet Routing Table:     532
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:    1259
Number of RIPE addresses announced to Internet:               159644624
    Equivalent to 9 /8s, 131 /16s and 251 /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:                   30004
    Total LACNIC prefixes after maximum aggregation:               9505
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          29693
    Unique aggregates announced from the LACNIC address blocks:   14507
LACNIC Region origin ASes present in the Internet Routing Table:   2996
    LACNIC Prefixes per ASN:                                       9.91
LACNIC Region origin ASes announcing only one prefix:              1071
LACNIC Region transit ASes present in the Internet Routing Table:   596
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:  2292
Number of LACNIC addresses announced to Internet:              71720192
    Equivalent to 4 /8s, 70 /16s and 93 /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:                   4546
    Total AfriNIC prefixes after maximum aggregation:              1724
    AfriNIC Deaggregation factor:                                  2.64
Prefixes being announced from the AfriNIC address blocks:          6003
    Unique aggregates announced from the AfriNIC address blocks:   2871
AfriNIC Region origin ASes present in the Internet Routing Table:   208
    AfriNIC Prefixes per ASN:                                     28.86
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   66
Average AfriNIC Region AS path length visible:                      5.7
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  105
Number of AfriNIC addresses announced to Internet:             27870976
    Equivalent to 1 /8s, 169 /16s and 71 /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        9906      11371    3518  AMAZON-02, US
   749        3226      54904    2478  DNIC-AS-00749, US
   367        2803       3469    1321  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1787        115    1244  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        1014         67     200  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         715         60      22  Jordan Data Communications, JO
  8452         621       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         407        406      84  MOBILY-AS Etihad Etisalat Company Mobil
 13046         389         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        5243       1445     782  UNINET, MX
  3816        1321        789     189  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1098        369      21  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         630        210     256  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         216        268     175  ETISALAT-MISR, EG
 36914         203         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        9906      11371    3518  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5243       1445     782  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3226      54904    2478  DNIC-AS-00749, US
   367        2803       3469    1321  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1787        115    1244  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        5243         4461  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2803         1482  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        1321         1132  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
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM

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     /16:5924    /17:2482    /18:2560    
/19:5366    /20:8626    /21:10682   /22:19776   /23:20483   /24:111632  
/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        2829        5243  UNINET, MX
 16509        2107        9906  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         731         872  BRSPD-PUBLIC, US
  6147         694        1098  Telefonica del Peru S.A.A., PE
  8376         564         715  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       5:1091      6:150       7:5      
   8:615      11:171      12:655      13:307      14:102      15:282    
  16:178      17:6        18:738      20:34       21:4        22:188    
  23:1871     24:730      25:2        27:27       29:19       31:203    
  32:1        34:11       35:57       36:1174     37:407      38:972    
  39:524      40:11       41:605      42:13       43:180      44:37     
  45:2403     46:630      47:102      49:13       50:271      51:472    
  52:1363     54:274      55:1000     57:16       58:7        59:35     
  60:19       61:63       62:333      63:496      64:1538     65:815    
  66:1258     67:820      68:171      69:835      70:148      71:196    
  72:458      74:728      75:394      76:209      77:316      78:508    
  79:174      80:195      81:202      82:176      83:107      84:179    
  85:368      86:154      87:150      88:117      89:526      90:98     
  91:584      92:418      93:795      94:492      95:1098     96:371    
  97:31       98:136      99:151     100:23      101:20      102:199    
 103:1088    104:760     105:130     106:3       107:212     108:310    
 109:266     110:36      111:1789    112:445     113:47      114:34     
 115:15      116:33      117:962     118:71      119:103     120:1076   
 121:18      122:86      123:23      124:58      125:12      128:366    
 129:292     130:510     131:816     132:501     133:195     134:336    
 135:72      136:368     137:416     138:769     139:400     140:595    
 141:314     142:710     143:596     144:332     145:64      146:493    
 147:390     148:616     149:484     150:292     151:580     152:582    
 153:119     154:489     155:683     156:440     157:283     158:316    
 159:685     160:990     161:455     162:701     163:287     164:646    
 165:392     166:98      167:400     168:917     169:148     170:1265   
 171:63      172:910     173:795     174:185     175:41      176:414    
 177:690     178:379     179:507     180:50      181:928     182:25     
 183:827     184:313     185:2350    186:823     187:716     188:583    
 189:1073    190:2740    191:183     192:3883    193:1271    194:837    
 195:570     196:408     197:343     198:1996    199:3635    200:2423   
 201:2416    202:1074    203:622     204:1776    205:1710    206:1161   
 207:1158    208:936     209:1446    210:341     211:431     212:684    
 213:553     214:1005    215:42      216:1756    217:291     218:524    
 219:24      220:29      221:302     222:22      223:636    

End of report


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