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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Oct 2 22:41:16 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 02 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:                              982556
    Prefixes after maximum aggregation (per Origin AS):          360260
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      452884
Total ASes present in the Internet Routing Table:                 75132
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64484
Origin ASes announcing only one prefix:                           25917
Transit ASes present in the Internet Routing Table:               10648
Transit-only ASes present in the Internet Routing Table:            461
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1235
    Number of instances of unregistered ASNs:                      1237
Number of 32-bit ASNs allocated by the RIRs:                      42749
Number of 32-bit ASNs visible in the Routing Table:               35304
Prefixes from 32-bit ASNs in the Routing Table:                  183589
Number of bogon 32-bit ASNs visible in the Routing Table:           221
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            631
Number of addresses announced to Internet:                   3055571051
    Equivalent to 182 /8s, 32 /16s and 80 /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:      337549

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

Prefixes being announced by APNIC Region ASes:                   257972
    Total APNIC prefixes after maximum aggregation:               72458
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251332
    Unique aggregates announced from the APNIC address blocks:    98738
APNIC Region origin ASes present in the Internet Routing Table:   13772
    APNIC Prefixes per ASN:                                       18.25
APNIC Region origin ASes announcing only one prefix:               4045
APNIC Region transit ASes present in the Internet Routing Table:   1843
Average APNIC Region AS path length visible:                        4.4
    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:              774012064
    Equivalent to 46 /8s, 34 /16s and 124 /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:                    281444
    Total ARIN prefixes after maximum aggregation:               125396
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           284760
    Unique aggregates announced from the ARIN address blocks:    131700
ARIN Region origin ASes present in the Internet Routing Table:    19118
    ARIN Prefixes per ASN:                                        14.89
ARIN Region origin ASes announcing only one prefix:                6931
ARIN Region transit ASes present in the Internet Routing Table:    1939
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4838
Number of ARIN addresses announced to Internet:              1278221888
    Equivalent to 76 /8s, 48 /16s and 30 /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:                    280432
    Total RIPE prefixes after maximum aggregation:               126933
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274574
    Unique aggregates announced from the RIPE address blocks:    159973
RIPE Region origin ASes present in the Internet Routing Table:    28503
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12030
RIPE Region transit ASes present in the Internet Routing Table:    3964
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11393
Number of RIPE addresses announced to Internet:               716574943
    Equivalent to 42 /8s, 182 /16s and 16 /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:                  127622
    Total LACNIC prefixes after maximum aggregation:              28701
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126897
    Unique aggregates announced from the LACNIC address blocks:   49318
LACNIC Region origin ASes present in the Internet Routing Table:  11057
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2316
LACNIC Region transit ASes present in the Internet Routing Table:  2368
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8869
Number of LACNIC addresses announced to Internet:             178521504
    Equivalent to 10 /8s, 164 /16s and 5 /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:                  33851
    Total AfriNIC prefixes after maximum aggregation:              5995
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         44361
    Unique aggregates announced from the AfriNIC address blocks:  12624
AfriNIC Region origin ASes present in the Internet Routing Table:  1806
    AfriNIC Prefixes per ASN:                                     24.56
AfriNIC Region origin ASes announcing only one prefix:              595
AfriNIC Region transit ASes present in the Internet Routing Table:  335
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147
Number of AfriNIC addresses announced to Internet:            107787776
    Equivalent to 6 /8s, 108 /16s and 182 /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        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4245        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        3193        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2526        849     379  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        9105      10992    3245  AMAZON-02, US
 11492        4533        301     671  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3876       6663     636  COGENT-174, US
 22773        3649       3077     305  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3543       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3067       1433    2314  AKAMAI-AS, US
   367        2964       3800    1407  DNIC-ASBLK-00306-00371, US
396982        2696       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        8585       1173    2980  TTNET, TR
 12479        7394       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4146       3399     181  AKAMAI-ASN1, NL
  8551        3445        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3013       2296     920  ROSTELECOM-AS, RU
  9009        2901        265    1480  M247, RO
  8452        2521       1852      16  TE-AS TE-AS, EG
  5384        2463        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       11892       3385     605  UNINET, MX
 10620        3542        506     852  Telmex Colombia S.A., CO
 13999        2406        331     622  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  3816        1296        766     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1070        169     427  Techtel LMDS Comunicaciones Interactiva

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         551       1861      34  IAM-AS, MA
 36914         521         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       11892       3385     605  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9105      10992    3245  AMAZON-02, US
 47331        8585       1173    2980  TTNET, TR
 12479        7394       1713     145  UNI2-AS, ES
  7545        5736        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     671  CABLEONE, US
 18403        4245        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        7394         7249  UNI2-AS, ES
 16509        9105         5860  AMAZON-02, US
 47331        8585         5605  TTNET, TR
  7545        5736         5038  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4245         4220  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              3356  LEVEL3, 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    /16:13684   /17:8578    /18:14799   
/19:25820   /20:45832   /21:54569   /22:114439  /23:106762  /24:588732  
/25:1130    /26:1081    /27:1485    /28:155     /29:233     /30:86      
/31:90      /32:671     

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

   ASN  No of nets  Total ann.  Description
 47331        7705        8585  TTNET, TR
 12479        6480        7394  UNI2-AS, ES
  8151        5891       11892  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3445        4533  CABLEONE, US
  6327        3355        3543  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2921        3445  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2694        3649  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2266      2:1581      3:266       4:8         5:4639      6:137    
   7:6         8:1613      9:1        11:172      12:1517     13:369    
  14:2416     15:305      16:199      17:373      18:659      20:310    
  21:4        22:188      23:6482     24:2925     25:2        27:2671   
  29:19       31:2686     32:94       34:26       35:119      36:2016   
  37:4639     38:6530     39:872      40:144      41:4810     42:2076   
  43:2411     44:328      45:17487    46:4480     47:379      49:1842   
  50:1908     51:581      52:1624     54:393      55:950      56:5      
  57:132      58:1942     59:1206     60:1009     61:2727     62:2823   
  63:1946     64:5859     65:2415     66:5165     67:3103     68:1364   
  69:4187     70:1403     71:685      72:3033     74:2670     75:1609   
  76:635      77:2441     78:4025     79:3021     80:2164     81:2078   
  82:1578     83:1374     84:1588     85:3916     86:875      87:2267   
  88:2904     89:3967     90:626      91:7980     92:2143     93:2652   
  94:3703     95:5149     96:1339     97:319      98:1124     99:732    
 100:123     101:1324    102:3252    103:32749   104:4777    105:2001   
 106:988     107:2732    108:1149    109:4321    110:2187    111:3176   
 112:2132    113:1809    114:1705    115:2151    116:1939    117:2574   
 118:2758    119:2066    120:1845    121:1232    122:2765    123:2282   
 124:1660    125:2599    128:1544    129:1016    130:1092    131:2084   
 132:973     133:408     134:1792    135:350     136:977     137:987    
 138:2819    139:1676    140:1297    141:1331    142:1546    143:1612   
 144:1014    145:351     146:1991    147:1625    148:2526    149:2339   
 150:899     151:1250    152:1997    153:593     154:5390    155:1394   
 156:2054    157:1373    158:1066    159:2197    160:2714    161:1620   
 162:3554    163:1673    164:1770    165:1913    166:1080    167:1753   
 168:3939    169:824     170:4923    171:945     172:3811    173:3006   
 174:993     175:1256    176:3945    177:5407    178:3584    179:2464   
 180:2601    181:3579    182:3400    183:2035    184:2289    185:20976  
 186:5015    187:4568    188:4346    189:4166    190:9474    191:1856   
 192:11035   193:9031    194:7538    195:5484    196:3626    197:3014   
 198:6072    199:6182    200:8263    201:6298    202:10956   203:10579  
 204:4624    205:3741    206:4459    207:3565    208:4200    209:4974   
 210:4729    211:2639    212:4389    213:3529    214:1110    215:70     
 216:6850    217:3033    218:1329    219:608     220:2040    221:985    
 222:857     223:2179   

End of report


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