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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Oct 1 22:41:19 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 01 Oct, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              983385
    Prefixes after maximum aggregation (per Origin AS):          360424
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453056
Total ASes present in the Internet Routing Table:                 75134
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64612
Origin ASes announcing only one prefix:                           25896
Transit ASes present in the Internet Routing Table:               10522
Transit-only ASes present in the Internet Routing Table:            468
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1231
    Number of instances of unregistered ASNs:                      1233
Number of 32-bit ASNs allocated by the RIRs:                      42748
Number of 32-bit ASNs visible in the Routing Table:               35293
Prefixes from 32-bit ASNs in the Routing Table:                  183544
Number of bogon 32-bit ASNs visible in the Routing Table:           227
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            621
Number of addresses announced to Internet:                   3055881323
    Equivalent to 182 /8s, 37 /16s and 12 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      337824

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

Prefixes being announced by APNIC Region ASes:                   258264
    Total APNIC prefixes after maximum aggregation:               72491
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251628
    Unique aggregates announced from the APNIC address blocks:    98769
APNIC Region origin ASes present in the Internet Routing Table:   13777
    APNIC Prefixes per ASN:                                       18.26
APNIC Region origin ASes announcing only one prefix:               4053
APNIC Region transit ASes present in the Internet Routing Table:   1830
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9057
Number of APNIC addresses announced to Internet:              774088352
    Equivalent to 46 /8s, 35 /16s and 166 /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:                    281695
    Total ARIN prefixes after maximum aggregation:               125442
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284931
    Unique aggregates announced from the ARIN address blocks:    131764
ARIN Region origin ASes present in the Internet Routing Table:    19127
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6935
ARIN Region transit ASes present in the Internet Routing Table:    1905
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4839
Number of ARIN addresses announced to Internet:              1278371136
    Equivalent to 76 /8s, 50 /16s and 101 /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, 393216-401308
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:                    280764
    Total RIPE prefixes after maximum aggregation:               127051
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275018
    Unique aggregates announced from the RIPE address blocks:    160011
RIPE Region origin ASes present in the Internet Routing Table:    28496
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12009
RIPE Region transit ASes present in the Internet Routing Table:    3922
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11393
Number of RIPE addresses announced to Internet:               716653791
    Equivalent to 42 /8s, 183 /16s and 68 /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:                  127604
    Total LACNIC prefixes after maximum aggregation:              28667
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126837
    Unique aggregates announced from the LACNIC address blocks:   49341
LACNIC Region origin ASes present in the Internet Routing Table:  11056
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2310
LACNIC Region transit ASes present in the Internet Routing Table:  2341
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8866
Number of LACNIC addresses announced to Internet:             178532256
    Equivalent to 10 /8s, 164 /16s and 47 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  33827
    Total AfriNIC prefixes after maximum aggregation:              5995
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         44349
    Unique aggregates announced from the AfriNIC address blocks:  12639
AfriNIC Region origin ASes present in the Internet Routing Table:  1795
    AfriNIC Prefixes per ASN:                                     24.71
AfriNIC Region origin ASes announcing only one prefix:              589
AfriNIC Region transit ASes present in the Internet Routing Table:  332
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1138
Number of AfriNIC addresses announced to Internet:            107791616
    Equivalent to 6 /8s, 108 /16s and 197 /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        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5736        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5008       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4028       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3747       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3192        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2524        849     381  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9099      10990    3248  AMAZON-02, US
 11492        4532        301     673  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3807       6662     634  COGENT-174, US
 22773        3658       3078     314  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3065       1435    2316  AKAMAI-AS, US
   367        3003       3836    1417  DNIC-ASBLK-00306-00371, US
396982        2697       3597     393  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8582       1173    2986  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4139       3399     185  AKAMAI-ASN1, NL
  8551        3445        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3026       2298     924  ROSTELECOM-AS, RU
  9009        2912        266    1489  M247, RO
  8452        2528       1852      16  TE-AS TE-AS, EG
  5384        2455        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        363     588  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11881       3384     600  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2407        331     621  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 11664        1106        179     428  Techtel LMDS Comunicaciones Interactiva
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1885        319      45  Telkom-Internet, ZA
 24863        1608        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         536         55      49  WANANCHI-, KE
 36914         516         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11881       3384     600  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9099      10990    3248  AMAZON-02, US
 47331        8582       1173    2986  TTNET, TR
 12479        7389       1713     145  UNI2-AS, ES
  7545        5736        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5008       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     673  CABLEONE, US
 18403        4257        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7389         7244  UNI2-AS, ES
 16509        9099         5851  AMAZON-02, US
 47331        8582         5596  TTNET, TR
  7545        5736         5038  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5008         4933  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4257         4232  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4028         3977  VNPT-AS-VN VNPT Corp, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:101     /12:300     
/13:581     /14:1211    /15:2148    /16:13682   /17:8580    /18:14800   
/19:25829   /20:45846   /21:54622   /22:114597  /23:107304  /24:588783  
/25:1130    /26:1082    /27:1486    /28:155     /29:233     /30:86      
/31:90      /32:670     

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

   ASN  No of nets  Total ann.  Description
 47331        7703        8582  TTNET, TR
 12479        6476        7389  UNI2-AS, ES
  8151        5889       11881  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3444        4532  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2921        3445  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2694        3658  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2496  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2268      2:1563      3:266       4:8         5:4645      6:137    
   7:6         8:1614      9:1        11:172      12:1519     13:368    
  14:2416     15:305      16:200      17:375      18:659      20:310    
  21:4        22:188      23:6521     24:2926     25:2        27:2669   
  29:19       31:2688     32:94       34:26       35:119      36:2016   
  37:4641     38:6507     39:872      40:145      41:4804     42:2084   
  43:2411     44:327      45:17485    46:4478     47:379      49:1842   
  50:1909     51:590      52:1627     54:393      55:962      56:5      
  57:132      58:1939     59:1207     60:1009     61:2730     62:2819   
  63:1944     64:5858     65:2406     66:5167     67:3106     68:1364   
  69:4185     70:1403     71:685      72:3037     74:2671     75:1609   
  76:636      77:2440     78:4026     79:3019     80:2157     81:2074   
  82:1578     83:1375     84:1590     85:3912     86:875      87:2274   
  88:2904     89:3966     90:624      91:7978     92:2145     93:2652   
  94:3703     95:5125     96:1338     97:319      98:1124     99:731    
 100:123     101:1333    102:3236    103:32722   104:4781    105:2001   
 106:987     107:2745    108:1151    109:4331    110:2198    111:3185   
 112:2132    113:1811    114:1705    115:2155    116:1935    117:2574   
 118:2761    119:2070    120:1860    121:1236    122:2764    123:2283   
 124:1659    125:2596    128:1543    129:1015    130:1095    131:2085   
 132:973     133:408     134:1792    135:350     136:976     137:987    
 138:2822    139:1677    140:1297    141:1331    142:1547    143:1614   
 144:1014    145:352     146:1993    147:1626    148:2524    149:2344   
 150:904     151:1250    152:2001    153:593     154:5387    155:1400   
 156:2047    157:1373    158:1066    159:2260    160:2708    161:1620   
 162:3556    163:1671    164:1764    165:1917    166:1079    167:1759   
 168:3952    169:826     170:4910    171:945     172:3796    173:3005   
 174:994     175:1256    176:3939    177:5399    178:3569    179:2469   
 180:2611    181:3573    182:3405    183:2035    184:2290    185:20962  
 186:5026    187:4547    188:4357    189:4167    190:9476    191:1841   
 192:11042   193:9027    194:7540    195:5490    196:3631    197:3031   
 198:6073    199:6171    200:8230    201:6236    202:10971   203:10579  
 204:4625    205:3739    206:4461    207:3565    208:4199    209:4977   
 210:4733    211:2640    212:4402    213:3530    214:1108    215:70     
 216:6868    217:3036    218:1329    219:609     220:2042    221:986    
 222:857     223:2181   

End of report


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