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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Feb 24 21:40:03 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Mon 24 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              974344
    Prefixes after maximum aggregation (per Origin AS):          372623
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475645
    Number of IPv4 prefixes with a valid ROA:                    532698
    Number of IPv4 prefixes with an invalid ROA:                    167
    Number of IPv4 prefixes with no ROA:                         441479
Total ASes present in the Internet Routing Table:                 76664
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65709
Origin ASes announcing only one prefix:                           26885
Transit ASes present in the Internet Routing Table:               10955
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:            350
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1187
    Number of instances of unregistered ASNs:                      1206
Number of 32-bit ASNs allocated by the RIRs:                      46191
Number of 32-bit ASNs visible in the Routing Table:               37853
Prefixes from 32-bit ASNs in the Routing Table:                  199248
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            503
Number of addresses announced to Internet:                   3111991296
    Equivalent to 185 /8s, 125 /16s and 56 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      319290

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

Prefixes being announced by APNIC Region ASes:                   255201
    Total APNIC prefixes after maximum aggregation:               75953
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247343
    Unique aggregates announced from the APNIC address blocks:   102604
APNIC Region origin ASes present in the Internet Routing Table:   14506
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4433
APNIC Region transit ASes present in the Internet Routing Table:   1948
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10015
Number of APNIC addresses announced to Internet:              752490240
    Equivalent to 44 /8s, 218 /16s and 23 /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, 131072-155961
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:                    287280
    Total ARIN prefixes after maximum aggregation:               127692
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289151
    Unique aggregates announced from the ARIN address blocks:    136018
ARIN Region origin ASes present in the Internet Routing Table:    19231
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                7031
ARIN Region transit ASes present in the Internet Routing Table:    1997
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5163
Number of ARIN addresses announced to Internet:              1348507904
    Equivalent to 80 /8s, 96 /16s and 153 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272364
    Total RIPE prefixes after maximum aggregation:               132305
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269781
    Unique aggregates announced from the RIPE address blocks:    172797
RIPE Region origin ASes present in the Internet Routing Table:    28846
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12056
RIPE Region transit ASes present in the Internet Routing Table:    3972
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12272
Number of RIPE addresses announced to Internet:               732294400
    Equivalent to 43 /8s, 165 /16s and 237 /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,
                        53/8,  57/8,  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:                  123265
    Total LACNIC prefixes after maximum aggregation:              29108
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120217
    Unique aggregates announced from the LACNIC address blocks:   48877
LACNIC Region origin ASes present in the Internet Routing Table:  11195
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2669
LACNIC Region transit ASes present in the Internet Routing Table:  2468
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9134
Number of LACNIC addresses announced to Internet:             173824000
    Equivalent to 10 /8s, 92 /16s and 88 /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:                  35047
    Total AfriNIC prefixes after maximum aggregation:              6813
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47348
    Unique aggregates announced from the AfriNIC address blocks:  14926
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     24.74
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269
Number of AfriNIC addresses announced to Internet:            104611072
    Equivalent to 6 /8s, 60 /16s and 61 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4315        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3257       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2839        853     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2149        434     191  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12774      39188    3799  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3590       3054     220  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3500       8763     930  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3044       1311    2203  AKAMAI-AS, US
396982        2931       3660     450  GOOGLE-CLOUD-PLATFORM, US
 30036        2594        361     296  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7758       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4002       3395     130  AKAMAI-ASN1, NL
  9009        3737        321    1922  M247, RO
 12389        2995       2303     894  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2012        146    1489  CDNEXT, GB
  8452        1627       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1498         99     749  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11761       3233     596  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2515        541     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1157        371      22  Telefonica del Peru S.A.A., PE
 11664        1157        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1127        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1620        389      16  LINKdotNET-AS, EG
 29571        1562         98     103  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1013        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         552         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12774      39188    3799  AMAZON-02, US
  8151       11761       3233     596  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7758       1714     145  UNI2-AS, ES
  7545        6219        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4315        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4174        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11761        11165  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7758         7613  UNI2-AS, ES
  7545        6219         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4315         4290  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4174         4091  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919         3894  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:92      /12:307     
/13:587     /14:1225    /15:2164    /16:13936   /17:8286    /18:13711   
/19:24568   /20:43868   /21:51900   /22:112177  /23:100914  /24:600534  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6711        7758  UNI2-AS, ES
  8151        5973       11761  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3120        4174  VIASAT-SP-BACKBONE, US
 22773        2708        3590  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2278       12774  AMAZON-02, US
 30036        2252        2594  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  Telmex Colombia S.A., CO

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

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

   1:2295      2:1519      3:572       4:10        5:4532      6:164    
   7:6         8:1548      9:1        11:172      12:1380     13:349    
  14:2510     15:347      16:274      17:357      18:915      20:450    
  21:4        22:188      23:7343     24:2727     25:2        27:2746   
  29:19       31:3151     32:35       34:78       35:201      36:2411   
  37:4611     38:8654     39:896      40:153      41:4189     42:1957   
  43:2528     44:353      45:18252    46:4995     47:291      49:1956   
  50:1886     51:589      52:1569     54:300      55:1020     56:9      
  57:242      58:2218     59:1197     60:1168     61:2784     62:2922   
  63:1827     64:5512     65:2136     66:4638     67:3031     68:1155   
  69:3969     70:1157     71:617      72:2882     74:2775     75:1648   
  76:611      77:2657     78:1871     79:1727     80:2207     81:2025   
  82:2634     83:1391     84:1795     85:3351     86:1021     87:2166   
  88:1315     89:4306     90:761      91:8326     92:2808     93:2862   
  94:3912     95:4252     96:1358     97:318      98:1003     99:742    
 100:71      101:1137    102:3668    103:32328   104:4803    105:757    
 106:995     107:2612    108:1208    109:4087    110:2224    111:3310   
 112:2048    113:1791    114:1939    115:2164    116:2044    117:2789   
 118:2883    119:1956    120:1877    121:1360    122:2757    123:2177   
 124:1565    125:2871    126:94      128:1593    129:954     130:1281   
 131:1850    132:793     133:450     134:1532    135:329     136:1327   
 137:1245    138:2897    139:1620    140:1558    141:1475    142:1829   
 143:1610    144:1049    145:466     146:2140    147:2064    148:2583   
 149:2873    150:1231    151:1697    152:2110    153:571     154:7571   
 155:1604    156:3111    157:1905    158:1256    159:2431    160:3545   
 161:1894    162:3694    163:1851    164:1696    165:2180    166:1362   
 167:1881    168:4059    169:796     170:5063    171:1005    172:4363   
 173:3238    174:923     175:1271    176:3617    177:4719    178:3752   
 179:2232    180:2579    181:4002    182:3371    183:2069    184:2308   
 185:21498   186:5102    187:4313    188:4198    189:4187    190:9637   
 191:1526    192:11172   193:9389    194:7742    195:5515    196:3279   
 197:3668    198:6103    199:8323    200:8109    201:6250    202:10401  
 203:10616   204:4545    205:3655    206:4635    207:3497    208:4198   
 209:5137    210:4566    211:2527    212:4508    213:3742    214:1062   
 215:48      216:6571    217:3108    218:1338    219:372     220:2106   
 221:1056    222:718     223:2316   

End of report


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